K18 Biomimetic Hairscience 
Ultimate Reset + Repair Hair Mask and Shampoo Value Set

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$75.00 ($89.00 value)or 4 payments of $18.75 with Klarna or afterpay or paypal

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Highlights

Good for: DamageGood for: Damage
Clean at SephoraClean at Sephora
Good for: Scalp Build UpGood for: Scalp Build Up
All Hair TypesAll Hair Types

About the Product

Item 2814424

Limited EditionOnly at Sephora

What it is: Get the ultimate damage repair with this bestselling duo. This set includes a full-size leave-in mask that reverses hair damage in just 4 minutes plus a free mini detox shampoo which removes buildup.


Hair Texture: Straight, Wavy, Curly, and Coily


Hair Type: Fine, Medium, and Thick


Hair Concerns:
- Color Safe

- Damage, Split Ends, and Breakage

- Scalp Build Up


Key Benefits: 
- Cares for hair damage from bleach, color, chemical services, and heat in as few as four minutes

- Color-safe detox shampoo removes buildup from product, sebum, and copper

- Restores strength, softness, smoothness, shine, and bounce


Highlighted Ingredients:
- K18PEPTIDE: Targets damage from bleach, color, chemical services, and heat.

- Activated Charcoal: Absorbs toxins, excess oils, and dirt in the hair and scalp.

- Salicylic Acid: Visibly clears sebum buildup without stripping essential moisture and lipids.


What Else You Need to Know: This two-step routine is designed for optimal reparative results. The mini color-safe detox shampoo creates a clean canvas on the hair by effectively removing product buildup, excess oil, and metals common in tap and hard water with a pH-optimized formula that won't leave hair over-stripped or easily tangled. The bestselling leave-in molecular repair hair mask—which repairs hair damage from bleach, color, chemical services, and heat in as little as four minutes—restoring strength, softness, smoothness, and bounce.


Fragrance Description: These products have a fresh-floral scent with notes of jasmine and peony.

Clinical Results: In a clinical study, after 1 application of the PEPTIDE PREP Detox Shampoo:

- 99% of product buildup was removed

- 95% of sebum was removed

- 76% of copper was removed


In a clinical study, 1 4-minute application of the Leave-In Molecular Repair Hair Mask showed improved strength and elasticity in hair damaged by bleach, color, chemical services, and heat.


This Set Contains:
- 1.8 oz/ 53 mL PEPTIDE PREP™ Detox Shampoo

- 1.7 oz/ 50 mL Leave-In Molecular Repair Hair Mask


Clean at Sephora

-K18PEPTIDE: Targets damage from bleach, color, chemical services, and heat.
-Activated Charcoal: Absorbs toxins, excess oils, and dirt in the hair and scalp.
-Salicylic Acid: Visibly clears sebum buildup without stripping essential moisture and lipids.

PEPTIDE PREP Detox Shampoo:
Water (Aqua) (Eau), Sodium C14-16 Olefin Sulfonate, Cocamidopropyl Hydroxysultaine, Salicylic Acid, Charcoal Powder, sh-Oligopeptide-78, Panthenol, Glycerin, Sodium Phytate, Guar Hydroxypropyltrimonium Chloride, Caprylyl Glycol, Caprylhydroxamic Acid, Citric Acid, Potassium Hydroxide, Sodium Hydroxide, Fragrance (Parfum), Benzyl Salicylate, Limonene.

Leave-In Molecular Repair Hair Mask:
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.

The list of ingredients is subject to change. Please consult the packaging of the product purchased.

Use this detox + mask routine at least 1x per week to reset hair + scalp and repair damage. 

PEPTIDE PREP™ detox shampoo
- Prep the hair for maximum damage repair by massaging the detox shampoo into the hair and scalp.
- Rinse thoroughly.

Leave-In Molecular Repair Hair Mask
- After shampooing, do NOT condition
- Towel-dry hair.
- Apply 1-3 pumps of molecular repair hair mask to mid-length and ends. Begin with 1 pump and build as needed. 
- Let sit for 4 minutes.
- Do not rinse out.
- Style as usual.

Pro Tip:
- Highly concentrated formulas. Start with the minimum recommended amount and build as needed.

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Meet K18 | We’re the biotech breakthrough that’s rewriting the rules on hair care. After 10 years of complex bioscience research, we unlocked our patented K18Peptide that reverses hair damage in four minutes. Born in the salon, stylists, colorists, and hair expressors of all generations are liberating self-expression without having to worry about damage. Our leave-in molecular repair hair mask works with the biology of your hair to strengthen from the inside out.

Shop all K18 Biomimetic Hairscience