Leave-In Molecular Repair Hair Mask

What it is: A leave-in treatment mask for all hair types that clinically reverses damage in four minutes. The patented peptide technology works to repair damage from bleach, color, chemical services, and heat, restoring strength, softness, smoothness, and bounce to hair.

Hair Type: Fine, Medium, and Thick

Hair Texture: Straight, Wavy, Curly, and Coily

Hair Concerns:
- Damage/Split Ends/Breakage
- Color Safe
- Straightening/Smoothing

Key Benefits:
- Restores strength, softness, smoothness, and bounce
- Repairs damaged hair
- Easy leave-in formula delivers lasting results

Highlighted Ingredients:
- K18Peptide™: Repairs damage from bleach, color, chemical services, and heat.

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

What Else You Need to Know: This mask is powered by the patented K18Peptide, which is just the right size and molecular structure to reach the innermost layers of hair and re-connect broken keratin chains responsible for hair`s strength and elasticity.

Fragrance Description: The light floral scent features notes of jasmine and peony.

Clinical Results: In a clinical study on hair that was bleached 8 times, after 2 uses:
- Biotech-powered K18Peptide restored damaged hair by up to 82%

Clean at Sephora
Clean at Sephora is a curation of brands committed to evolving the beauty industry. When you see our Clean seal, you can be sure this brand`s products are formulated without certain ingredients that are potentially harmful to human health and the environment and also address ingredients clients are concerned about, including phthalates, formaldehyde or formaldehyde releasers, oxybenzone and octinoxate, hydroquinone, triclosan, coal tar, methylisothiazolinone and methylchloroisothiazolinone, insoluble plastic microbeads, and more. For the full list, check out the Ingredients tab.

This product is an Allure Best of Beauty award winner.

-K18Peptide™: Repairs damage from bleach, color, chemical services, and heat.

Water (Aqua) (Eau), Alcohol Denat., Propylene Glycol, Cetearyl Alcohol, Dicaprylyl Ether, Cetyl Esters, Behentrimonium Chloride, Polysorbate 20, sh-Oligopeptide-78 (K18Peptide), Hydrolyzed Wheat Protein, Hydrolyzed Wheat Starch, Isopropyl Alcohol, Tocopherol, Phenoxyethanol, Potassium Sorbate, Citric Acid, Fragrance (Parfum), Geraniol, Linalool, Hexyl Cinnamal, Benzyl Alcohol.

Clean at Sephora products are formulated without the following banned or restricted ingredients (please see Clean at Sephora landing page for full list of specific restrictions and allowances by category—this is not an exhaustive list):
Acrylates, Aluminum Salts, Animal Musks/Fats/Oils, Benzophenones and related compounds, Butoxyethanol, Butylated hydroxyanisole (BHA), Butylated hydroxytoluene (BHT) under 0.1%, Carbon Black or Black 2, Coal Tar, Ethanolamines, Formaldehyde and Formaldehyde Releasing Agents, Hydroquinone, Lead and Lead Acetate, Mercury + Mercury Compounds (Thimerisol), Methoxyethanol, Methyl Cellosolve, Methylchloroisothiazolinone and Methylisothiazolinone, Mineral Oil, Nanomaterials (restrictions for specific nanomaterials only), Oxybenzone, Parabens, Petrolatum and Paraffin (USP grade only), Phenoxyethanol under 1%, Phthalates, Plastic Microbeads, Polyacrylamide & Acrylamide, Resorcinol, Retinyl Palmitate, Styrene, Sulfates, Talc (no detection of asbestos), Toluene, Triclosan and Triclocarban, Undisclosed Synthetic Fragrance (under 1% and formulated without Acetaldehyde, Acetone, Acetonitrile, Benzalkonium chloride, BPA, EDTA, Methylene chloride, PTFE, PFOA), 1,4-Dioxane (ingredients must comply with impurity thresholds), Octinoxate, PFAS compounds, Nitromusks and Polycyclic Musks, Ethoxylated Ingredients (including PEGS or polyethylene glycol must meet contamination limits for 1,4-Dioxane and ethylene oxide), Cyclic Silicones, EDTA and derivatives (allowed if no technical substitute under 0.2%).

Suggested Usage:
In the shower:
-Shampoo, don‘t condition.

Once out of the shower:
-Using a towel gently dry hair until damp.
-Begin with one mL/one dime-size amount of K18 Mask.
-Only add more as needed. Average use is two mL/two dime-size amounts (this is a highly concentrated formula, so you‘ll need much less than traditional masks).
-Work evenly into hair from ends to roots.
-Let sit for four minutes to activate.
-Don‘t rinse out.
-Style as usual after the four minutes is up (fine to add heat protectant or styling product now).
-Use for the first four to six washes, then swap to maintenance mode and use as needed.