Sephora customers often prefer the following products when searching for Hair Serums.

Browse the top-ranked list of Hair Serums below along with associated reviews and opinions.

Size 2.2 oz/ 60 mL · ITEM 2127306
exclusive· limited edition· buzzworthy· online only
$53.00

I love this stuff...I love this serum...I use this product right after the shower after using the shampoo products I love the smell and I I have noticed my hair is softer and has gotten longer (at least a quarter inch a month) but I'm not sure if it is because of the product or natural growth, but there is a noticable difference for my fine hair...I'm always a bit wary of hair and scalp serums because I don't want to end up with a greasy scalp, but this hasn't given me a problem
What it is: A specialized scalp and hair serum that will leave your hair looking shinier and feeling thicker.

Hair Type: Straight, Wavy, Curly, and Coily

Hair Texture: Fine, Medium, and Thick

Hair Concerns:
- Shine
- Thinning
- Damage, Split Ends, and Breakage

Key Benefits:
- Supports Hair Strength, Shine, and Softness
- Supports Natural Hair Growth
- Adds Lightweight Texture Without Greasy Feel

Formulation: Serum

Highlighted Ingredients:
- Ceramides: Reduce breakage by supporting hair strength.
- Conditioning Agents and UV Filters: Smooth and soften hair.
- Green Tea Extract: Provides antioxidant protection.

What Else You Need to Know: This scalp and hair serum nourishes hair fibers by supporting their uniformity and smoothness. It maintains strength during hair growth and supports hair’s resistance to breakage, leaving it shinier and soft to the touch with a thicker, more substantial feel.
Size 1 oz/ 30 mL · ITEM 2473064
exclusive· limited edition· buzzworthy· online only
$52.00

I love this serum...The serum is great...I received this product as complementary to try it, I like it and it became part of my routine but I did notice that I need to wash my hair earlier than normal because it gets greasy faster when I use this product...So far I've been using this for three weeks I don't see a huge difference and I've to remember to use it every day which can be tough for me it goes in very nicely and smells nice doesn't make my hair oily which is a huge plus I don't see any differences yet but maybe I'm only using it for too short of a time
What it is: A highly effective vegan serum that increases the appearance of hair density while reducing signs of shedding to promote thicker, fuller looking hair with clinically proven results in as little as 90 days.

Hair Type: Straight, Wavy, Curly, and Coily

Hair Texture: Fine, Medium, and Thick

Hair Concerns:
- Thinning
- Color Safe

Key Benefits:
- Reduces signs of hair thinning for thicker, fuller, longer looking hair
- Most effective as a spot treatment
- No visible residue and will not make hair greasy

Highlighted Ingredients:
- Turmeric: Clinically proven to promote a reset of the dermal hair cells
- N. benthamiana: Known to revitalize the anagen (growth) hair cycle while thickening roots
- Red Clover/ Mung Bean: Shown to help prevent key hair loss causes (IGF1, BMP4)

Ingredient Callouts:This product is vegan, gluten-free, and cruelty-free.

Fragrance Description: This serum smells like natural bergamot essential oil.

Clean at Sephora
Clean at Sephora is formulated without a list of over 50 ingredients, including sulfates (SLS and SLES), parabens, phthalates, and more. For the full list, check out the Ingredients tab.

What Else You Need to Know: This multi-tasking formula utlilzes a proprietary blend of phytoactives clinically proven to show visible results in as soon as 3 months. This serum does not leave an oily texture on hair and should be used daily to see fastest results.

Research Results:
- Increase in the appearance of hair density by up to 52%*
- Reduce signs of shedding by up to 76%**

*Results from a double-blind, in-vivo clinical trial involving 40 subjects, 18-60 years old, over 150 days.
**Results from a double-blind, in-vivo clinical trial involving 20 subjects, 21-62 years old, over 150 days
ITEM 2394161
exclusive· limited edition· buzzworthy· online only
$51.00

Absolutely a must have...All Purpose Serum Salute...I was gifted this regenerating hair serum +mask by Christophe Robin and I love it.It makes my hair smooth,soft and shiny and works great with my hot tools.I would definitely recommend trying this product.I will buy it once I run out...I like to use this product when blowing out my hair and using a flat iron because it helps to add heat protection and gives a soft, smooth, shiny feeling to my hair
What it is: A luxurious regenerating serum that is composed of natural-origin ingredients and delivers intensely nourished hair without the use of silicones.

Hair Type: Straight, Wavy, Curly, and Coily

Hair Texture: Medium and Thick

Hair Concerns:
- Dryness
- Frizz
- Heat Protection

Key Benefits:
- Manages and controls frizz
- Restores shine and revives color in hair pigment
- Acts as a heat protectant for up to 440°F

Formulation: Serum

Ingredient Callouts: Free of sulfates SLS and SLES, parabens, phthalates, and mineral oil. This product is also vegan and cruelty-free.

What Else You Need to Know: This product protects hair from artificial heat up to 440°F (230°C) while improving the appearance of split ends and frizz. It has a fast-absorbing, non-sticky texture that helps hair feel smooth and supple.
Size 3.4 oz/ 100 mL · ITEM 2446912
exclusive· limited edition· buzzworthy· online only
$42.00

I decided it was worth the splurge...It gives my hair a nice shine, body and smells good...He thought it made my hair look better and was worth the money
What it is: A brightening serum that tones and eliminates brassiness while replenishing moisture and protecting hair from heat damage.

Hair Type: Straight, Wavy, and Curly

Hair Texture: Fine, Medium, and Thick

Hair Concerns:
- Dryness
- Heat Protection
- Brassiness

Key Benefits:
- Brightens, tones, and eliminates brassiness
- Provides heat protection up to 450°F
- Hydrates and repairs damage

Highlighted Ingredients:
- Violet and Reflective Pearlized Pigments: Correct brassiness, tone highlights, and impart brightness and shine.
- Lavender Flower Extract: Nourishes, conditions, and adds shine to damaged, brittle hair.
- Oribe Signature Complex: Defends hair from environmental elements, oxidative stress, photoaging, and the deterioration of natural keratin.

Ingredient Callouts: Free of parabens, formaldehydes, formaldehyde-releasing agents, mineral oil, retinyl palmitate, oxybenzone, coal tar, hydroquinone, sulfates SLS & SLES, triclocarban, and triclosan. It is also vegan, gluten-free, and cruelty-free.

What Else You Need to Know: Protect, tone, and hydrate blonde hair. This priming serum uses violet and pearlized pigments along with a brightening complex to eliminate brassiness and illuminate hair. Hydrating extracts moisturize, smooth the cuticle, and restore softness—all while protecting strands from heat damage.

All Oribe products are dermatologist tested and formulated with safe, high-quality, innovative ingredients. They are also PETA approved, UV protective, and color- and keratin-treatment safe.

Fragrance Description: Created in collaboration with one of the oldest French Fragrance houses, Oribe’s signature scent, Côte d’Azur, features sun-drenched notes of Calabrian bergamot, white butterfly jasmine, and sandalwood—embodying the glamour and heat of the legendary destination.
Size 1.69 oz/ 50 mL · ITEM 2396893
exclusive· limited edition· buzzworthy· online only
$18.00

What it is: A hair serum that is enriched with biotin and plant-based proteins to nourish and strengthen hair.

Hair Type: Straight, Wavy, Curly, and Coily

Hair Texture: Fine and Medium

Hair Concerns:
- Straightening/Smoothing
- Thinning
- Damage/Split Ends/Breakage

Highlighted Ingredients:
- Biotin of Synthetic Origin: Helps nourish hair.
- Plant-Based Proteins: Help make hair more resistant.

Ingredient Callouts: Free of parabens, formaldehydes, formaldehyde-releasing agents, phthalates, mineral oil, retinyl palmitate, oxybenzone, coal tar, hydroquinone, sulfates SLS & SLES, triclocarban, triclosan, and contains less than one percent synthetic fragrance. It is also vegan, gluten-free, cruelty-free, and comes in recyclable packaging.

What Else You Need to Know: The Sephora Collection Strengthening Hair Serum leaves hair dense and thick. In as little as two months of use, hair is denser and thicker and hair fiber is strengthened and more resistant. This formula is enriched with biotin to improve support hair and plant-based proteins to help nourish hair, making it an ideal ally for achieving dense and thick hair. Its leave-in formula is particularly pleasant to use and does not leave a greasy film on hair.

Clinical Results: In a satisfaction test performed on 20 volunteers, after using product for 56 days:
- 95% felt their hair was more resistant
- 85% felt their scalp had been fortified
Size Mini Size - 0.34 oz/ 10 mL · ITEM 2001212
exclusive· limited edition· buzzworthy· online only
$22.00

Has a nice smell...It's worth a try...I m using this one and the unicorn, this one is stronger, I switched between bought as a primer/moisturizer before make up, it s oily u must wait a while before to put make up, the kin is perfect and glow, and make up stay all night, or day, most of the time I use it for special occasion or if my skin need a more moisturize, my skin is combination or I do what I want one day oily one day dry...Instead I use it at night after I wash my face; a few drops on my skin and I rub it in with a *clean* makeup brush, and I can immediatly seen an even glow across my face
Which skin type is it good for?
✔ Normal
✔ Oily
✔ Combination
✔ Dry
✔ Sensitive

What it is:
A fast-absorbing oil with 24k gold for skin hydration and a visible glow.

Solutions for:
- Dryness
- Dullness and uneven texture
- Fine lines and wrinkles

If you want to know more…
This elixir is infused with 24k gold, vitamins, antioxidants, and essential fatty acids for hydration and a healthy-looking glow. Enriched with rosehip seed oil, it penetrates quickly to nourish your skin while visibly brightening and improving texture. This product is packed with linoleic and linolenic acids, vitamin C, and vitamin A to help reduce the appearance of fine lines and discoloration, while the pure 24k gold flakes absorb right into your skin for a visibly glowing and radiant complexion.

Clean at Sephora
Clean at Sephora is formulated without a list of over 50 ingredients, including sulfates (SLS and SLES), parabens, phthalates, and more. For the full list, check out the Ingredients tab.
Size 2 oz/ 60 mL · ITEM 2210722
exclusive· limited edition· buzzworthy· online only
$17.90

Magic in a bottle...I love this Serum...As my face need a skin routine I think that my hair too , its been one month I using it and I can see and feel that my hair looks heathy but im using a silk pillow too should try, but I think that the price its a little bit expensive , p.s I feel like my hair is not falling that much...I started feeling the difference right after the first use,not too sure about the hair density,but my hair loss has reduced drastically,i normally massage the serum on my bald spots before going to bed and wash it away the next day,i used to see a lot of hair fall on my pillows and all over the house,but I dont see even a single hair on my pillows anymore,very satisfied with the product
What it is: A concentrated serum that helps hair look thicker, denser, fuller, and healthier.

Hair Type: Straight, Wavy, Curly, and Coily

Hair Texture: Fine, Medium, and Thick

Hair Concerns:
- Thinning
- Volumizing
- Flaky/Dry Scalp

Highlighted Ingredients:
- Redensyl™ (Givaudan): Targets stem cells and human fibroblasts from the derma papilla to improve hair density.
- Procapil™ (Sederma Inc.): Increases blood flow in the scalp, which allows the hair to be well nourished, resulting in the appearance of thicker hair.
- Baicapil™ (Provital): Increases the look of hair density.

Ingredient Callouts: Free of parabens, formaldehydes, formaldehyde-releasing agents, phthalates, mineral oil, retinyl palmitate, oxybenzone, coal tar, hydroquinone, sulfates SLS & SLES, triclocarban, triclosan, and contains less than one percent synthetic fragrance. It is also vegan, gluten-free, and cruelty-free.

What Else You Need to Know: This concentrated formula is designed to support hair health so that it looks thicker, denser, fuller, and healthier. The technologies present in this formula include Redensyl complex (with larix europaea wood extract and camellia sinensis leaf extract), Procapil peptide complex (with biotinoyl tripeptide-1), Capixyl™ peptide complex (with acetyl tetrapeptide-3 and trifolium pratense flower extract), Baicapil complex (with scutellaria baicalensis root extract, triticum vulgare germ extract, and glycine soja germ extract), AnaGain™ (pisum sativum extract) and high-solubility caffeine (one percent net caffeine by weight), in an ultra-lightweight, emollient base for efficient penetration.
Size 3.4 oz/ 100 mL · ITEM 2140234
exclusive· limited edition· buzzworthy· online only
$40.00

My curls love it...I really love it...#AlwaysAlterna #AlternaXSephora #complimentary @alternahaircare @Influenster I am a lover of hair care products especially those that I can leave, before washing my hair I usually apply a series of oils that are very uncomfortable although very efficient but thanks to Caviar Leave in Serum I will not have uncomfortable nights and my Hair will be protected and hydrated...I like this mask a lot I think it really is a great hair mask that actually works at repairing the hair making it look shiny and healthy only thing is do not leave it on longer than what it tells you on the bottle I did the first time and it left a waxy feel on my ends but if you do the correct tone you will be ok
Which hair type is it good for?
✔ Straight
✔ Wavy
✔ Curly
✔ Coiled
✔ Tightly Coiled

What it is:
A reparative, overnight treatment that fights the signs of aging hair while you sleep.

Key benefits:
- Reduces breakage up to 99 percent
- Helps reconstruct damaged hair while you sleep
- Absorbs quickly

If you want to know more…
This hair-repairing and protective formula with caviar bond enforcing technology restores hair at night when hair is recovering from daytime aggressors. This overnight transforming treatment smooths hair cuticles, restoring hair to its healthiest look and feel, so you wake up to transformed tresses. It is clinically proven to help repair, reconstruct, and rebuild hair, while reducing breakage and split ends up to 99 percent.

What it is formulated WITHOUT:
- Sulfates

What else you need to know:
Inspired by the Science of Skincare for Hair®, Caviar Anti-Aging is Alterna’s first comprehensive line of hair care products that address intrinsic (natural aging process), chemical, and environmental aging by infusing hair with the finest, most effective ingredients to restore hydration, strength, vibrancy, and elasticity for more youthful-looking hair. Every product contains pure caviar from the roe of non-endangered sturgeon fish, sustainably farmed in France. This product is rich in vitamins, minerals, and omega fatty acids that help restore hair's lipid layer creating healthier, younger-looking hair.

This product is suitable for color-treated hair and free of added SLS/SLES, DEA/TEA, and synthetic color.
Size 1 oz/ 30 mL · ITEM 1895598
exclusive· limited edition· buzzworthy· online only
$32.00

It's So Worth It...magic in a bottle...This product is really helpful when my scalp is itchy but I need to apply a lot of product probably will be cheaper it just apply tree oil instead but the odor is strong so that is why I love this product a lot (the size of the bottle is very convenient for travel) but I use it when I really need it, price though...I use it about once a week, just a few drops around my head, and I have definitely noticed an improvement in how dry and itchy I am after massaging it in thoroughly
What it is: A soothing treatment that balances hydration, removes surface impurities, and provides relief to an itchy, irritated, flaky scalp.

Hair Type: Straight, Wavy, Curly, and Coily

Hair Texture: Fine, Medium, and Thick

Hair Concerns:
- Dryness
- Oiliness
- Flaky or Dry Scalp

Key Benefits:
- Hydrates, balances, and soothes scalp
- Detoxifies and draws out impurities
- Clean and naturally derived, formulated 6-Free™

Formulation: Serum

Highlighted Ingredients:
- Binchotan Charcoal: Draws out and removes impurities that clog the hair follicle or cause buildup on the scalp.
- Peppermint and Tea Tree Oil Complex: Provides a cooling effect and helps reduce itchiness, irritation, and flakiness.
- Witch Hazel: Helps balance oil production to prevent oily scalp.

Ingredient Callouts: This product is vegan, cruelty-free, and gluten-free.

What Else You Need to Know: Binchotan charcoal draws out buildup, impurities, and excess oil that may clog the scalp and hair follicles, while peppermint, spearmint, and tea tree oils help reduce scalp itchiness, irritation, and redness. Witch hazel, water, hyaluronic acid, and aloe moisturize and balance scalp hydration for those with oily or dry scalps. This serum is formulated with 99 percent naturally derived ingredients.

This product is an Allure Best of Beauty winner.

Clean at Sephora
Clean at Sephora is formulated without a list of over 50 ingredients, including sulfates (SLS and SLES), parabens, phthalates, and more. For the full list, check out the Ingredients tab.
Size 32 oz/ 946 mL · ITEM 2026094
exclusive· limited edition· buzzworthy· online only
$84.00

This item was ok...I really like it...This is a great shampoo for cleaning your hair after you've been in a pool but not treating it roughly I have color treated hair here and I am in a pool almost every day of the week and this has done a really nice job in combination with some serum's and hair treatments to not strip my hair too much...So I found this to help me strip the product residue (which was also causing my scalp to dry and itch) I use it a little differently than instructed, I put it on my scalp/at the roots and rub it in before I step in the shower
What it is: A gentle, deep-cleansing formula for all curl types that removes hard-water and product buildup, leaving curls soft, bouncy, and shiny.

Hair Type: Wavy, Curly, and Coily

Hair Texture: Fine, Medium, and Thick

Hair Concerns:
- Curl Enhancing
- Oiliness
- Flaky and Dry Scalp

Key Benefits:
- Gently and deeply cleanses
- Removes impurities
- Leaves curls soft and bouncy

Highlighted Ingredients:
- Micellar-Water Technology: Gently removes impurities.
- Abyssinian Seed Oil: Boosts moisture and shine.
- Jojoba: Softens and conditions hair.

Ingredient Callouts: Free of parabens, formaldehydes, formaldehyde-releasing agents, phthalates, mineral oil, retinyl palmitate, oxybenzone, coal tar, hydroquinone, sulfates SLS & SLES, triclocarban, triclosan, and contains less than one percent synthetic fragrance. It is also vegan, gluten-free, cruelty-free, and comes in recyclable packaging.

What Else You Need to Know: DevaCurl products are dermatologist tested and nonirritating. They are also free of silicones, talc, petrolatum, DEA, and TEA. 
Size 3.04 oz/ 90 mL · ITEM 2201002
exclusive· limited edition· buzzworthy· online only
$56.00

I really love it...Great for my hair...I love this product have been using it every other night for close to a month now and I have notice and difference in texture on my hair, I have dyed my hair for many years now and it's left my hair dry and a bit hard to manage , but this product have left it feeling softer and I love the convenience of being a product I can use at night and leave on, would recommend...I love how it leaves my hair soft and moisturizing without frizz, my hair is dry and dull ends, but since I used the serum, it gave my hair a greater shine and silkiness, I really did see positive changes in my hair
What it is: A leave-in, overnight treatment serum that nourishes and detangles hair while you sleep.
Hair Type: Straight, Wavy, Curly, and Coily
Hair Texture: Fine, Medium, and Thick
Key Benefits:
- Hydrates
- Adds Shine
- Protects Against Damage, Split Ends, and Breakage
Formulation: Serum
Highlighted Ingredients:
- Iris Root Extract: Adds hydration and coats hair fibers for up to eight hours while reversing loss of nutrients.
- Five-Vitamin Blend: Seals nutrients and anchors roots, leaving the hair with a satin finish.
What Else You Need to Know: This overnight hair-treatment serum is the perfect addition to your nighttime routine. Nutritive 8H Magic Night Serum is absorbed for up to eight hours, moisturizing the hair with a lightweight feel by morning. This unique leave-in treatment makes hair soft, protected, and perfect for styling.
Size 3.4 oz/ 100 mL · ITEM 2126985
exclusive· limited edition· buzzworthy· online only
$51.00

I like the scent...This is the best...I received this product for free for testing purposes from influenster and it couldn't of came at a better time, I bleached my black box dye hair a day before I received this product and it has brought my hair back to life not to mention the lovely smell...I had damaged hair from lightning my hair for a year and this has been the first product I have found since that has made my hair feel better
What it is: A blend of four precious hair oils that adds hydration and prevent breakage for anti-frizz shine.

Hair Type: Straight, Wavy, Curly, and Coily

Hair Texture: Fine, Medium, and Thick

Key Benefits:
- Hydrates
- Fights Frizz
- Adds Shine

Formulation: Oil

Highlighted Ingredients:
- Maize Oil: Adds suppleness, softness, and shine.
- Procaxi Oil: Nourishes and adds shine.
- Argan Oil: Strengthens and protects.

What Else You Need to Know: This hair oil can be used before, during, and after blow-drying for frizz-free, super-shiny, and hydrated hair. Give your hair remarkable shine and subtle fragrance without oil buildup or a greasy finish.
Size 1.7 oz/ 50 mL · ITEM 2140150
exclusive· limited edition· buzzworthy· online only
$38.00

I am so impressed...I'm happy with it...I distribute it with my hands and then go in with a shower comb to get everything even.I noticed when I use it my hair is a lot smoother and healthier looking...Great product but A little bit goes a long way, The first time I used it I had to wash it out because my hair would not dry
Which hair type is it good for?
✔ Straight
✔ Wavy
✔ Curly
✔ Coiled
✔ Tightly Coiled

What it is:
A triple-action, triple-use concentrate that repairs, protects, and seals damaged hair and split ends in one step.

Key benefits:
- Repairs, protects, and seals damaged hair
- Reduces breakage up to 99 percent
- Use on wet or dry hair, or mix into any Caviar conditioner

If you want to know more…
This three-in-one sealing serum is designed to be a proactive and reactive powerhouse for damaged and aging hair. The triple-action concentrated formula consists of a biomimetic amino acid/lipid blend that imitates those naturally found in hair to help repair, protect, and seal strands at their core. Formulated with caviar bond enforcing technology, this serum intuitively targets and seals cracks and fissures in the hair surface to help transform hair. This product is clinically proven to significantly smooth hair, while reducing breakage and split ends up to 99 percent.

What it is formulated WITHOUT:
- Sulfates

What else you need to know:
Inspired by the Science of Skincare for Hair®, Caviar Anti-Aging is Alterna’s first comprehensive line of hair care products that address intrinsic (natural aging process), chemical, and environmental aging by infusing hair with the finest, most effective ingredients to restore hydration, strength, vibrancy, and elasticity for more youthful-looking hair. Every product contains pure caviar from the roe of non-endangered sturgeon fish, sustainably farmed in France. This product is rich in vitamins, minerals, and omega fatty acids that help restore hair's lipid layer creating healthier, younger-looking hair.

This product is suitable for color-treated hair and free of added SLS/SLES, DEA/TEA, and synthetic color.
Size 6.8 oz/ 200 mL · ITEM 2046647
exclusive· limited edition· buzzworthy· online only
$42.00

Glad I found this...The AHA is no joke...To be clear, at the moment, I use this serum and about 30 mins later, I apply a thicker moisturizer over top as a protective barrier kinda what you do normally with a facial serum...I am so grateful I found this stuff and so grateful a company has a product for the rest of our body...not just our face
What it is: A moisturizing body serum containing AHAs that work with the skin to naturally exfoliate, leaving skin radiant with a natural glow.

Skin Type: Normal, Dry, Combination, and Oily

Skincare Concerns: Dryness, Dullness, and Uneven Texture

Formulation: Lightweight Lotion

Highlighted Ingredients:
- Lactic Acid: A natural lactic acid produced by fermentation from sugar that exfoliates, hydrates, supports the natural barrier of lipids in the outer layer of skin, and brightens the look of skin for those with discoloration.
- Probiotic Extract: Visible skin renewal is accelerated, promoting a smoother skin texture and the shedding of dead cells.
- Xylitol: Supports the circulation of water and reinforces the skin barrier, reducing dehydration.

Ingredient Callouts: This product is cruelty-free and comes in recyclable packaging.

What Else You Need to Know: This 10 percent AHA serum delivers full-body exfoliation without scrubbing. It‘s a lightweight body moisturizer with a lotion-like texture that boosts the skin‘s natural exfoliation process while hydrating. It‘s also rich in lactic acid and xylitol, which are able to draw water molecules to the surface. This game-changing body moisturizer also contains probiotics, which boosts the skin‘s defense barrier to hydrate and smooth—visibly revitalized skin is only an application away.

Clean at Sephora
Clean at Sephora is formulated without a list of over 50 ingredients, including sulfates (SLS and SLES), parabens, phthalates, and more. For the full list, check out the Ingredients tab.
Size 2 oz/ 60 mL · ITEM 2301067
exclusive· limited edition· buzzworthy· online only
$47.00

Have to try this...I really like it...I absolutely love it,my hair is thin and takes a long time to grow,after applying the product according to instructions, I feel my scalp clean and light and altough results are not immediate I am excited to experience a healthy hair grow...This is the best hair serum I have ever tried I love the results I noticed less hair fall since using it for a week
What it is: A lightweight, non-greasy leave-in serum with ingredients that visibly renew the scalp and support healthier, thicker-, denser-looking hair over time.

Hair Type: Straight, Wavy, Curly, and Coily

Hair Texture: Fine and Medium

Hair Concerns:
- Anti-Aging
- Thinning
- Flaky, Dry Scalp

Key Benefits:
- Supports stronger, healthier hair
- Nourishes and visibly strengthens the scalp
- Clinically tested formula

Highlighted Ingredients:
- Niacinamide: Improves hair health and reduces scalp irritation.
- Caffeine: Supports hair growth.
- Centella asiatica: Supports blood circulation and scalp and hair strength.

Ingredient Callouts: Free of parabens, formaldehydes, formaldehyde-releasing agents, phthalates, mineral oil, retinyl palmitate, oxybenzone, coal tar, hydroquinone, sulfates SLS & SLES, triclocarban, triclosan, and contains less than one percent synthetic fragrance. It is also vegan, cruelty-free, and comes in recyclable packaging.

What Else You Need to Know: Formulated for people experiencing age-related hair thinning, this concentrated leave-in serum contains a clinically tested blend of skincare- and nature-inspired ingredients like caffeine, ginger, Centella asiatica, biotin, niacinamide, and ceramides, which nourish the scalp and follicles to support healthier hair growth.

Clinical Results: In an 8-week in-home usage test with 41 women (ages 35 to 65) with thin or thinning hair:
- 90% saw visible levels of improvement
- 86% would recommend this product to a friend
- 80% saw less hair in their brush
ITEM 2122083
exclusive· limited edition· buzzworthy· online only
$28.00

I love this stuff...Huge IGK fan here...If you have super damaged and/or bleached hair then I recommend applying some serum on damp hair and once your hair is dry, if it still feels super straw-like, then apply the tiniest bit more to the dry parts (for me it was mid to ends)...I apply it when my hair is damp, let it air dry a bit and then blow dry it and my hair is super super smooth
What it is: A smoothing hair oil that eliminates frizz, tames flyaways, and adds shine without weighing hair down or leaving it feeling greasy.

Hair Type: Straight, Wavy, Curly, and Coily

Hair Texture: Fine, Medium, and Thick

Hair Concerns:
- Dryness
- Frizz
- Shine

Key Benefits:
- Eliminates frizz, smooths, and adds shine
- Non-greasy formula
- Nourishes dry or damaged ends

Formulation: Oil

Highlighted Ingredients:
- Coconut Oil: Nourishes and strengthens.
- Prickly Pear Cactus Extract: Adds color dimension and shine.

Ingredient Callouts: Free of sulfates SLS and SLES, parabens, phthalates, and mineral oil. This product is also vegan, cruelty-free, and gluten-free.

What Else You Need to Know: This frizz-fighting oil absorbs into hair for a weightless, non-greasy feel. It uses coconut oil to nourish, while antioxidant-rich prickly pear cactus extract adds color dimension and shine. Apply to dry hair after styling to eliminate frizz, smooth flyaways, and add shine.
Size 90 mL/ 3.04 oz · ITEM 2325157
exclusive· limited edition· buzzworthy· online only
$53.00

this is the best...I would buy more...Kerastase fortifiant hair serum has made my hair so much stronger It helps to re-anchor hair follicle more solidly into the scalp while building the optimal environment for future growth, I saw results after a few weeks my hair looks longer and there's less hair breakage...I tried few hair treatments but nothing seemed to help ... but with Kerastase Genesis Serum Fortifiant Hair Serum it is now another hair with strength, I am very happy this is so nourished, silky and shiny I love it, you only need four doses of the pipette and that's it
What it is: A hair serum that strengthens the scalp for less hair fall due to breakage from brushing.

Hair Type: Straight, Wavy, Curly, and Coily

Hair Texture: Fine, Medium, and Thick

Hair Concerns:
- Straightening and Smoothing

Key Benefits:
- Reduces hair fall due to breakage from brushing
- Strengthens hair
- Leaves a lightweight, non-greasy finish

Formulation: Serum

Highlighted Ingredients:
- Genesis Hydro-Alcoholic Formula with Ginger Root, Arginine, and Caffeine: Strengthens hair to reduce hair fall due to breakage from brushing.

What Else You Need to Know: This concentrated hair and scalp serum with aromatic notes of bergamot and lime fortifies weakened hair to prevent hair fall due to breakage from brushing. It is best paired with the full Genesis range for supreme strength, softness, and moisture.

"When choosing where to apply the serum, think of the areas of your scalp where the hair needs the most strength. Where do you notice less density? What areas are you experiencing hair fall in? Start by applying in those targeted areas with the pipette then massage in everywhere. Think of the serum like topical vitamins for your hair."—Kirsten Snively, Mint Hair Lounge, Tampa, FL

Research Results: In a controlled study:
- 97% Less hair fall due to breakage from brushing was shown using system of Bain Hydra-Fortifiant + Fondant Renforçateur+ Sérum Fortifiant vs non-conditioning shampoo
Size 0.22 oz/ 6.25 g · ITEM 2141984
exclusive· limited edition· buzzworthy· online only
$18.00

I really like this...AKA already love it...I didn't see any major results when I used it on my face, but I did keep it in my fridge and used it on my underused and it felt very cooling and helped with depicting, but I wouldn't say this is anything special...When I got this product I was very excited to try it out since it had such great reviews but when I went to try it out, it would not twist all the way up so I had to use the short end of it
What it is: A brightening and hydrating solid serum that visibly evens skin tone and revitalizes the complexion while reducing the appearance of fine lines for a luminous, glowing look.

Skin Type: Normal, Dry, Combination, and Oily

Skincare Concerns: Dryness, Uneven Texture, and Fine Lines and Wrinkles

Formulation: Lightweight Serum

Highlighted Ingredients:
- Watermelon Fruit Extract: Keeps skin hydrated over time.
- Swiss Garden Cress Sprout Extract: Evens the look of skin tone by visibly reducing dark spots.
- Matrixyl: Smooths the appearance of fine lines and skin texture.

Ingredient Callouts: This product is vegan and cruelty-free.

What Else You Need to Know: This on-the-go solid serum hydrates, visibly diminishes dark spots, and smooths skin. The TSA-friendly solid formula means no spilled-serum messes.

Clinical Results: In a consumer-perception study, immediately after use:
- 75% of people said skin tone appeared more even
- 81% of people said skin texture felt better
- 69% of people said skin looked brighter

Clean at Sephora
Clean at Sephora is formulated without a list of over 50 ingredients, including sulfates (SLS and SLES), parabens, phthalates, and more. For the full list, check out the Ingredients tab.
Size 1.7 oz/ 50 mL · ITEM 2249993
exclusive· limited edition· buzzworthy· online only
$24.00

A very good serum...I love this stuff...I like to treat myself and my hair to a lot of nourishing product so I use 7 pumps every night and after a week I am half way done with the bottle so I can imagine this to be a costly hair oil over time, but so worth it if you want to actually nourish the hair...I have long bleached fine thick hair and this really helps with detangling when I put it on my hair while still damp
What it is: A blend of four precious hair oils that adds hydration and prevent breakage for anti-frizz shine.

Hair Type: Straight, Wavy, Curly, and Coily

Hair Texture: Fine, Medium, and Thick

Key Benefits:
- Hydrates
- Fights Frizz
- Adds Shine

Formulation: Oil

Highlighted Ingredients:
- Maize Oil: Adds suppleness, softness, and shine.
- Procaxi Oil: Nourishes and adds shine.
- Argan Oil: Strengthens and protects.

What Else You Need to Know: This hair oil can be used before, during, and after blow-drying for frizz-free, super-shiny, and hydrated hair. Give your hair remarkable shine and subtle fragrance without oil buildup or a greasy finish.
Size 1 oz/ 30 mL · ITEM 2127421
exclusive· limited edition· buzzworthy· online only
$39.00

This is the best...Love this so much...I use this as a "leave in treatment" after I've washed my hair and I notice such a huge difference...An amazing employee at the SF store who is also a hair stylist told me that if I bought one thing it should be this, and I am so glad I did
What it is: A dual-action repairing and binding serum that transforms hair from very damaged and over processed to healthy by hydrating and conditioning.

Hair Type: Straight, Wavy, Curly, and Coily

Hair Texture: Fine, Medium, and Thick

Key Benefits:
- Heals Hair Ends
- Delivers Heat Protection up to 450°F
- Nourishes Damaged Hair

Formulation: Serum

Highlighted Ingredients:
- SP94: Powerful gluco-peptide that enhances hair fibers’ resilience, structure, and strength.
- Amino Acids: Compensate for the loss of fiber mass.
- Wheat Protein Derivative: Restores uniformity and smooths.

What Else You Need to Know: With amino acids and its unique FIBRA-KAP™ formula, this serum delivers heat protection up to 450°F to prevent split ends, minimize breakage, and speed up drying time for silky-soft locks.