Moroccanoil
Overnight Hydrating Leave-in Hair Mask Treatment Serum
$59.50or 4 payments of $14.88 with 
or 
Size: 4 oz/120 mlNew
Standard size
Mini size
Highlights
All Hair Textures
All Hair Types
Hyaluronic Acid
Cruelty-Free
Good for: Dryness
Good for: Frizz
About the Product
Item 2999092
NewOnly at Sephora
What it is: An overnight hair mask featuring supercharged hyaluronic acid and vegan snail mucin that leaves hair four times more hydrated.
Hair Texture: Straight, Wavy, Curly, and Coily
Hair Type: Fine, Medium, and Thick
Hair Concerns:
- Damage, Split Ends, and Breakage
- Dryness
- Frizz
Key Benefits:
- Increases hydration four times overnight
- Leaves hair touchably soft
- Reduces frizz and minimizes split ends
Highlighted Ingredients:
- Argan Oil: Rich in vitamin E and antioxidants, this natural oil nourishes.
- Supercharged Hyaluronic Acid: A blend of seven molecular weights of hyaluronic acid for maximum hydration.
- Vegan Snail Mucin: Bio-engineered vegan alternative helps seal the cuticle and lock in moisture.
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.
What Else You Need to Know: With argan oil, supercharged hyaluronic acid, and vegan snail mucin, Overnight Leave-in Hair Mask delivers intense hydration that lasts for three washes. The weightless formula reduces frizz and leaves hair touchably soft. With no rinsing required, it leaves no residue on your hair or pillow.
Clinical Results: Based on instrumental testing after 8 hours:
- Increases hydration by 4X overnight
- Hair is 3X easier to detangle in the morning
Based on an independent lab study:
- Hydration lasts for 3 washes
Hair Texture: Straight, Wavy, Curly, and Coily
Hair Type: Fine, Medium, and Thick
Hair Concerns:
- Damage, Split Ends, and Breakage
- Dryness
- Frizz
Key Benefits:
- Increases hydration four times overnight
- Leaves hair touchably soft
- Reduces frizz and minimizes split ends
Highlighted Ingredients:
- Argan Oil: Rich in vitamin E and antioxidants, this natural oil nourishes.
- Supercharged Hyaluronic Acid: A blend of seven molecular weights of hyaluronic acid for maximum hydration.
- Vegan Snail Mucin: Bio-engineered vegan alternative helps seal the cuticle and lock in moisture.
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.
What Else You Need to Know: With argan oil, supercharged hyaluronic acid, and vegan snail mucin, Overnight Leave-in Hair Mask delivers intense hydration that lasts for three washes. The weightless formula reduces frizz and leaves hair touchably soft. With no rinsing required, it leaves no residue on your hair or pillow.
Clinical Results: Based on instrumental testing after 8 hours:
- Increases hydration by 4X overnight
- Hair is 3X easier to detangle in the morning
Based on an independent lab study:
- Hydration lasts for 3 washes
Aqua/Water/Eau, Caprylic/Capric Triglyceride, Undecane, Glycerin, Tridecane, Cetearyl Alcohol, Parfum/Fragrance, Panthenol, Argania Spinosa (Argan) Kernel Oil, Ximenia Americana (Sour Plum) Seed Oil, Helianthus Annuus (Sunflower) Seed Wax, Glyceryl Stearate, Jojoba Esters, Dimethicone, Xylitylglucoside, Sodium Pca, Xanthan Gum, Anhydroxylitol, Sodium Stearoyl Glutamate, Butylene Glycol, Propanediol, Xylitol, Ethylhexylglycerin, Ammonium Acryloyldimethyltaurate/Vp Copolymer, Polyglyceryl-10 Pentaisostearate, Polyglycerin-3, Beta-Glucan, Althaea Officinalis (Marshmallow) Root Extract, Sodium Acetate, 1,2-Hexanediol, Citric Acid, Helichrysum Stoechas (Mediterranean Strawflower) Flower Extract, Sodium Hyaluronate, Dipeptide-2, Glycoproteins, Hydrolyzed Glycosaminoglycans, Copper Gluconate, Phenoxyethanol, Potassium Sorbate, Sodium Benzoate, Linalool, Alpha-Isomethyl Ionone, Evernia Prunastri (Oakmoss) Extract, Camphor, Carvone, Hexamethylindanopyran, Linalyl Acetate, Tetramethyl Acetyloctahydronaphthalenes, Eucalyptus Globulus Oil, Lavandula (Lavender) Oil/Extract, Mentha Viridis (Spearmint) Leaf Oil, Isoeugenyl Acetate.
Product Disclosures: Use product only as directed. Avoid contact with eyes. In case of contact, rinse immediately with water. For external use only. Do not swallow.
Product Disclosures: Use product only as directed. Avoid contact with eyes. In case of contact, rinse immediately with water. For external use only. Do not swallow.
Suggested Usage:
-Apply to damp or dry hair before bedtime, from mid-length to ends.
-No rinsing necessary.
-For fine hair, use one to two pumps.
-For medium hair, use two to three pumps.
-For thick or curly hair, use three to four pumps.
-Can also be used as a daytime treatment, especially for second-day or third-day hair to provide an instant boost of hydration.
-Apply to damp or dry hair before bedtime, from mid-length to ends.
-No rinsing necessary.
-For fine hair, use one to two pumps.
-For medium hair, use two to three pumps.
-For thick or curly hair, use three to four pumps.
-Can also be used as a daytime treatment, especially for second-day or third-day hair to provide an instant boost of hydration.
Questions & Answers (0)
What began a decade ago as a single, revolutionary product that pioneered a new category in the beauty industry has grown into a full line of hair and body products, all infused with nourishing, antioxidant-rich argan oil, signature to the brand. Dedicated to providing the highest quality hair and body products, Moroccanoil has grown into an iconic beauty brand.