K18 x Future Society Leave-In Molecular Repair Hair Mask – Floating Forest 1.7 oz
Reverse hair damage in just 4 minutes with the K18 x Future Society Leave-In Molecular Repair Hair Mask — a limited-edition, science-backed treatment powered by patented K18Peptide™ technology. Scented with Floating Forest (an aquatic-floral fragrance inspired by an extinct Borneo rainforest tree), it deeply repairs polypeptide chains and disulfide bonds broken by bleach, color, chemical services, and heat for visibly stronger, softer, and bouncier hair.
- In stock, ready to ship
- Backordered, shipping soon
- Limited-edition K18 x Future Society collaboration with exclusive Floating Forest fragrance
- Powered by patented K18Peptide™ — repairs polypeptide chains and disulfide bonds at the molecular level
- Reverses damage from bleach, color, chemical services, and heat in just 4 minutes
- Leave-in, no-rinse formula suitable for all hair types
- Restores strength, softness, smoothness, and bounce with each use
- Vegan, cruelty-free, and comes in recyclable packaging
- Free of parabens, sulfates, phthalates, and mineral oils (Clean at Sephora)
- 50 ml / 1.7 fl oz — highly concentrated formula requiring minimal product per use
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.
- Shampoo hair — do not condition.
- Towel-dry hair gently until damp.
- Apply 1 mL (one dime-sized amount) of mask to hair; add more only as needed (average use is 2 mL).
- Leave in for 4 minutes without rinsing.
- Style as usual — do not rinse out; conditioner or leave-in products may be applied after the 4-minute wait.
Free U.S. shipping on orders over $20 — $4.95 flat rate under $20 (USPS Ground Advantage, 2–5 business days). Orders placed before 2:00 PM PT ship the same day.
Unopened, sealed items may be returned within 30 days of delivery. See our Shipping Policy and Refund Policy for full details.
- Free U.S. shipping on orders over $20
- Same-day shipping on orders before 2:00 PM PT
