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

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

Size 2 oz/ 60 mL · ITEM 2210722
exclusive· limited edition· buzzworthy· online only
$17.90

Loving it so far...I love this serum...Whatever is in this serum, it's working....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: Flaky/Dry Scalp, Volumizing

Formulation: Serum

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

Ingredient Callouts: Free of sulfates SLS and SLES, parabens, formaldehydes, formaldehyde-releasing agents, phthalates, mineral oil, retinyl palmitate, oxybenzone, coal tar, hydroquinone, triclosan, and triclocarban, and contains less than one percent of synthetic fragrances. This product is also vegan, cruelty-free, and gluten-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 1.7 oz/ 50 mL · ITEM 2140150
exclusive· limited edition· buzzworthy· online only
$38.00

I love this stuff...I'm happy with it...I was not too impressed with this serum....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 2 oz/ 60 mL · ITEM 2301067
exclusive· limited edition· buzzworthy· online only
$47.00

Have to try this...I really like it...Nice and very lightweight serum...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
What it is: A lightweight, non-greasy, leave-in serum that strengthens the scalp, nourishes the follicle, and restores essential nutrients to support healthier hair.

Hair Type: Straight, Wavy, Curly, and Coily

Hair Texture: Fine, Medium, and Thick

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

Key Benefits:
- Promotes stronger, healthier hair
- Nourishes and strengthens the scalp
- Non-greasy and fast absorbing

Formulation: Serum

Highlighted Ingredients:
- Caffeine: Helps support follicles.
- Centella Asiatica: Acts as a strengthening agent for the scalp and hair follicles.
- Niacinamide: Supports hair-follicle function.

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

What Else You Need to Know: This serum is formulated with vitamins, caffeine, and a blend of strengthening ingredients to help support healthy hair, while ceramides and kelp promote hydration and nourish the scalp. It is also safe for color-, keratin-, and chemically treated hair.
Size 3.3 oz/ 100 mL · ITEM 2070340
exclusive· limited edition· buzzworthy· online only
$69.00

I love this stuff...It's ok, but pricey...Love this overnight serum!...I use this product over night and I can tell I see a difference in my hair, it is more bright and shinier and softer, I like how it looks, and feels, I would recommend this... My hair was very damaged and now it looks good and new
What it is: An overnight serum for dry hair that softens and nurtures while taming frizz and unruly strands.

Hair Type: Straight, Wavy, and Curly

Hair Texture: Fine, Medium, and Thick

Key Benefits: Hydrates, Fights Frizz, and Softens

Formulation: Serum

Highlighted Ingredients:
- Red Camelia Oil: Protects and nurtures hair.

What Else You Need to Know: This serum is infused with red camelia oil, which is used on the hair for its protective and nurturing qualities. Apply as a nighttime hair treatment for smooth, hydrated, and rejuvenated hair.
Size 3.4 oz/ 100 mL · ITEM 2126985
exclusive· limited edition· buzzworthy· online only
$50.00

Gold in a bottle...Magic in a bottle...perfect oil serum...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
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 2140366
exclusive· limited edition· buzzworthy· online only
$34.00

Total win for me...This is the BEST...Love this serum....I'll be honest, I don't know if it changes anything at the molecular level since I don't have a microscope, but based on feel alone, this is a stand out product
Which hair type is it good for?
✔ Straight
✔ Wavy
✔ Curly
✔ Coiled
✔ Tightly Coiled

What it is:
A powerful hair serum that can be used as a leave-in treatment or as a color-preserving mask to boost the level of conditioning, adding radiance and shine to hair.

Key benefits:
- Preserves hair color, vibrancy, shine
- Rejuvenates color
- Intensifies shine

If you want to know more…
This innovative dual-use serum can be used as a leave-in treatment to add shine, tame frizz, and provide protection against UV exposure, or mixed with any Alterna conditioner to transform it into a color recharging mask—boosting the level of conditioning and adding radiance to hair. Alterna's proprietary dual capture complex replenishes moisture while reducing oxidative color damage with a synergistic blend of natural UV filters: red raspberry leaf oil and sunflower seed oil.

What it is formulated WITHOUT:
- Parabens
- Sulfates
- Phthalates

What else you need to know:
This product is free of DEA/TEA, petrochemicals, and dyes.

Research results:
Clinical results with use of CAVIAR Infinite Color Hold Shampoo, Conditioner, and Vibrancy serum vs. untreated hair, after 70 days:
- 70 days lasting color and shine
- 100% of participants felt their color was rich, shiny, and vibrant
- 93% users agreed the test regimen combated fade-out
- 93% users agreed the test regimen combated dry-out
- 97% users agreed the test regimen gave them lasting color
Size 3.04 oz/ 90 mL · ITEM 2201002
exclusive· limited edition· buzzworthy· online only
$55.00

Great for my hair...I LOVE THIS STUFF...I absolutely love this night serum....After my most recent appointment to get highlights, I decided to get a product to really help keep my hair from getting too dry and brittle (although I do use olaplex at home)
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.
ITEM 2122083
exclusive· limited edition· buzzworthy· online only
$25.00

Huge IGK fan here...I love this stuff...This serum is amazing!!...My go to for the past few years has been the Bumble & Bumble BB Don't Blow It Thick Hair Styler, but after recently receiving a sample of this I was hooked, I bought a full-size the next day
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 2.2 oz/ 60 mL · ITEM 2127306
exclusive· limited edition· buzzworthy· online only
$51.00

I love this serum...I love this stuff...Okay 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
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 1.5 oz/ 45 mL · ITEM 2023208
exclusive· limited edition· buzzworthy· online only
$29.00

This is the best...Well worth the $...Best serum I've ever used on my hair!...For girls with Thick and frizzy hair like mine I totally recommend this product - I Use a hot iron every week to style my hair so I need lots of heat protection
What it is: A time-saving, transformative styling treatment that gives thick hair a smooth blowout.

Hair Type: Straight, Wavy, Curly, and Coily

Hair Texture: Medium and Thick

Hair Concerns: Straightening/Smoothening, Shine, and Heat Protection

Formulation: Serum

Highlighted Ingredients:
- Patented Healthy Hair Molecule (OFPMA)

Ingredient Callouts: This product is cruelty-free and formulated without sulfates SLS and SLES and parabens.

What Else You Need to Know: This heat-activated formula includes Living Proof’s patented healthy hair molecule (OFPMA), polishing emollients, and thermal protectants that help you blow dry hair faster and better for smoother and shinier stands. This product is also color safe and safe for chemically treated hair.
Size 1 oz/ 30 mL · ITEM 2127421
exclusive· limited edition· buzzworthy· online only
$37.00

This is the best...Love this so much...I Love This Serum!!!!!!...I use this as a "leave in treatment" after I've washed my hair and I notice such a huge difference
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.
Size 90 mL/ 3.04 oz · ITEM 2325157
exclusive· limited edition· buzzworthy· online only
$51.00

So happy I didn't...I love this stuff...This serum is wonderful....I have been experiencing hair falling and breakage when I saw this product I got excited
What it is: A serum that strengthens and fortifies weakened hair with a lightweight, non-greasy finish.

Hair Type: Straight, Wavy, Curly, And Coily

Hair Texture: Fine, Medium, And Thick

Hair Concerns:
- Straightening/ Smoothing

Key Benefits:
- Strengthens Hair
- Reduces hair fall due to breakage from brushing
- Leaves a lightweight and 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. Pair 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
Size 5.1 oz/ 150 mL · ITEM 2391282
exclusive· limited edition· buzzworthy· online only
$29.00

I love this serum...Love this entire line...The consistency of this serum is amazing!...I love the product and how it helps me to protect my hair from the heat damage the reason why I don't give 5 starts it's that I did not like the bottle package
What it is: A finishing serum that creates silky smoothness, lasting frizz control, and provides heat protection for normal to thick, frizzy hair.

Hair Type: Straight, Wavy, Curly, and Coily

Hair Texture: Medium and Thick

Hair Concerns:
- Frizz
- Heat Protection
- Color Protection

Key Benefits:
- Smoothing and frizz control
- Heat protection
- Extraordinary color protection

Highlighted Ingredients:
- Camellia: Smooths and nourishes hair.
- Shea Butter: Softens hair.
- Xylose: Protects hair from heat styling and damage.

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

What Else You Need to Know: This formula includes a signature aromatherapy blend of cocoa, marshmallow accord, woods, and a patented Antifade Complex® to protect color vibrancy and ensure lasting color payoff. Sunflower seed, a UV filter, and vitamin E fight color-depleting environmental effects while ensuring lasting shine.
Size 1.01 oz/ 30 mL · ITEM 2107431
exclusive· limited edition· buzzworthy· online only
$39.00

This stuff is magic...Liquid GOLD for blondes...Great Hair Serum....After 1 use my hair felt sooo good and now after a couple weeks, every time I blow dry it looks like I just left the salon
What it is: A hair serum that acts to strengthen very damaged hair, prevent split ends and future hair breakage, and create long-lasting shine and softness.

Hair Type: Straight, Wavy, Curly, and Coily

Hair Texture: Fine

Key Benefits:
- Repairs Damage, Split Ends, and Breakage
- Hydrates
- Color Safe

Formulation: Mask

Highlighted Ingredients:
- Japanese-Sourced Rice Extract: Delivers hydration and protection.

What Else You Need to Know: This serum is formulated with two different types of hair oils and Japanese-sourced rice extract to provide your hair with the ultimate care, leaving it strong, light, and smooth—without any greasy residue.
Size 4 oz/ 120 mL · ITEM 2252708
exclusive· limited edition· buzzworthy· online only
$29.00

Good but not great...great for thin hair...LOVE THIS SERUM...Proceed to use a hair oil after you are done blow drying it to add a smooth finish and add softness ( that I do think this product could improve on) other than that I genuinely did like it and if used properly it should work well
What it is: A silky, silicone-free styling serum that reduces blowout time and protects hair from heat (up to 450°F/232°C) for a smooth, long-lasting, frizz-free finish.

Hair Type: Straight, Wavy, Curly, and Coily

Hair Texture: Fine, Medium, and Thick

Key Benefits: Volume, Texture, and Extends Blowouts

Formulation: Lightweight Serum

Highlighted Ingredients:
- Heat-activated Rice Proteins: Help to protect hair against the drying and damaging effects of heat styling (up to 450°F/232°C).
- Pliable Polymer Blend: Coats each hair, providing long-lasting style memory.
- Blend of Fruit Extracts: Helps to increase moisture, boost shine, and control frizz for smoother, healthier-looking hair.

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

What Else You Need to Know: Great for all hair types and safe for all hair colors, this silky-smooth formula reduces blow-dry time while moisturizing, adding shine, and softening. It includes Drybar's Fleur fragrance with notes of jasmine, sandalwood, and black pepper.
Size 1.7 oz/ 50 mL · ITEM 2127462
exclusive· limited edition· buzzworthy· online only
$51.00

I love this serum...Great for New Hair...Love this serum....I don?t know if my hair is growing or not, but I have been using this serum for 3 weeks now along with the shampoo, and my hair has never been more healthy, I really haven?t feel my hair like this in years, the scalp is clean without dryness and the hair just feels like a kid?s hair that has never been chemically damaged
Which hair type is it good for?
✔ Straight
✔ Wavy
✔ Curly
✔ Coiled
✔ Tightly Coiled

What it is:
A strengthening scalp serum that creates visibly stronger hair from the roots.

Key benefits:
- Recovers damaged hair
- Seals cuticle from root to ends
- Ensures a healthy scalp environment

If you want to know more…
This leave-in treatment reinforces and promotes a healthy scalp. By helping hair at the root, this serum reduces the appearance of split ends as hair grows.
Size 1 oz/ 30 mL · ITEM 1895598
exclusive· limited edition· buzzworthy· online only
$32.00

It's So Worth It...magic in a bottle...love this serum!...It is so good at decongesting and purifying the skin, so when I saw that Briogeo came out with a charcoal-infused line of hair products I thought it was a really interesting concept
Which hair type is it good for?
✔ Straight
✔ Wavy
✔ Curly
✔ Coiled
✔ Tightly Coiled

What it is:
A unique, charcoal-infused scalp treatment that detoxifies, soothes, and balances the scalp for optimal scalp health.

Key benefits:
- Detoxifies and removes buildup
- Soothes itchy, irritated, and flaky scalp
- Hydrates the scalp to prevent dryness

If you want to know more…
This unique treatment infuses binchotan charcoal to draw impurities from the scalp and hair follicle, providing the foundation for optimal scalp health. A cooling blend of peppermint and spearmint oils reduces scalp itchiness, and tea tree oil has anti-septic and healing properties to reduce scalp irritation and inflammation. Witch hazel water helps to normalize oil production to prevent an oily scalp, while sodium hyaluronate and aloe keep the scalp balanced and hydrated. Super-vitamin biotin provides essential nutrients to the hair follicle to support healthy hair growth.

What else you need to know:
This 98 percent naturally-derived formula is vegan and cruelty-free. It does not contain silicones, DEA, gluten, or synthetic dye.

This product is an Allure Best of Beauty award winner.

Research results:
Results obtained from an independent, clinical laboratory study in which participants used the scalp treatment over a 1-week period:
- 96% of partcipants with a self-assessed dry scalp indicated that the treatment was effective in hydrating and moisturizing their scalp
- 100% of participants with a self-assessed flaky scalp said the treatment was effective at reducing flakiness
- 95% of participants with a self-assessed irritated scalp said the treatment was effective in reducing irritation
- 89% of participants with a self-assessed itchy scalp said the treatment was effective in reducing itchiness
- 89% of participants with a self-assessed scalp buildup said the treatment was effective at reducing buildup on the scalp
- 92% of participants said the treatment was effective in enhancing their scalp health

Based on a data from a clinical mesarurment of scalp hydration:
- 100% of subjects showed an improvement in scalp hydration after just 1 use of both the Scalp Revival Charcoal + Coconut Oil Micro-Exfoliating Shampoo and Scalp Revival Charcoal + Tea Tree Scalp Treatment

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 2385839
exclusive· limited edition· buzzworthy· online only
$30.00

Magic in a Bottle...Overall I loved it...I loved this serum so much....I love the living proof no frizz vanishing oil it works wonders on your hair when it's frizzy I use it when my hair is wet or when it's dry it smells awesome and it does a very good job I use it on my husband's curly hair when he gets frizzies and it works wonderful I recommend this product
What it is: A silicone-free, fast-absorbing oil that vanishes into hair, blocking humidity and hydrating for a smooth, shiny finish.

Hair Type: Straight, Wavy, Curly, and Coily

Hair Texture: Fine, Medium, and Thick

Hair Concerns:
- Dryness
- Frizz
- Shine

Key Benefits:
- Provides frizz protection
- Hydrates and smooths hair
- Enhances shine

Formulation: Oil

Highlighted Ingredients:
- Healthy Hair Molecule: Weightlessly blocks humidity and smooths hair while keeping it cleaner, longer.
- Five-Oil Blend: Mimics your hair's natural oil composition, replenishing any lost lipids (oils).
- Quick-Drying Emollients: Allow the formula to absorb quickly into hair with no residue.

Ingredient Callouts: Free of sulfates SLS and SLES, parabens, formaldehydes, formaldehyde-releasing agents, phthalates, mineral oil, retinyl palmitate, hydroquinone, triclosan, and triclocarban. This product is also vegan, cruelty-free, and gluten-free, and comes in recyclable packaging.

What Else You Need to Know: This oil is powered by Living Proof’s patented Healthy Hair Molecule and a lightweight five-oil blend that mimics the oils found in naturally healthy hair. Together, they weightlessly block humidity, hydrate, and smooth dry hair—without leaving it greasy—so all that’s left behind is a soft, smooth finish.
Size 5 oz/ 150 mL · ITEM 1955616
exclusive· limited edition· buzzworthy· online only
$39.00

A very good product...Perfect for fine hair...My Hair is extremely soft after blow dry and it is super easy to apply serum evenly through hair!...I also wash only every other day and this keeps my hair smooth and straight for those two days, and if I curl it after I feel it also helps to hold the curl and keep them looking nice on second day hair
What it is: A versatile hair serum that primes, smooths, and softens the hair fibers while protecting against blow-dry heat.

Hair Type: Straight, Wavy, and Curly

Hair Texture: Fine and Medium

Key Benefits: Heat Protection, Straightening/Smoothing, and Color Safe

Formulation: Serum

Highlighted Ingredients:
- Ginkgo Biloba Extract: Provides antioxidant properties.
- SRS Microwaxes: Melt with heat to create flexible bonds between hair fibers.

What Else You Need to Know: Fortified with gingko biloba extract, this serum is the ultimate blow-dry perfecter to provide care and control without sacrificing texture, leaving the hair moisturized and lightweight. This serum is also packed with microwaxes that create flexible bonds between hair fibers when exposed to heat.
Size 2.5 oz/ 75 mL · ITEM 1989458
exclusive· limited edition· buzzworthy· online only
$18.00

I'm so glad that I did...This product is amazing...I was happy to discover Kiehl's had made a serum version of Silk Groom and decided to give that a try....I love this serum, it helped me a lot with my hair
Which hair type is it good for?
✔ Straight
✔ Wavy
✔ Curly
✔ Coiled
✔ Tightly Coiled

What it is:
A unique, ultra-light, and non-greasy hair serum.

Key benefits:
- Smooths frizz
- Conditions dry ends
- Protects hair from humidity

If you want to know more…
This super-smoothing serum smooths frizz and flyaways, nourishes dry ends, and controls hair without weighing it down. Infused with a blend of natural oils derived from sunflower seeds, sesame seeds, and soy beans, and enriched with vitamin E, it protects hair from humidity and boosts shine, leaving strands clean, soft, and silky.

What else you need to know:
Kiehl’s is inspired by its rich heritage as an old-world apothecary, applying over 165 years’ worth of cosmetic, pharmaceutical, herbal, and medicinal knowledge into the formulations. They utilize the finest natural ingredients and incorporate advanced scientific technologies to ensure the highest quality and most efficacious formulas without compromise. They are protective of the environment as they maximize the use of renewable, sustainable, and biodegradable ingredients. Kiehl’s proudly stands behind the quality, efficacy, and safety of each of their products.