K18 - Professional Molecular Repair Mask
K18 - Professional Molecular Repair Mask
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Experience the science of true hair revival with the K18 - Professional Molecular Repair Mask, a breakthrough leave-in treatment powered by cutting-edge biomimetic technology. Designed for professionals yet loved by all, this advanced mask repairs even the deepest hair damage caused by bleach, color treatments, chemical services, and heat styling. Infused with the revolutionary K18PEPTIDE, it works at the molecular level to reconnect broken polypeptide chains and disulfide bonds, rebuilding your hair’s inner structure for restored strength, resilience, and elasticity — all in just 4 minutes.
Unlike traditional treatments that merely coat the surface, this clinically proven formula renews hair from within, leaving it noticeably softer, smoother, and healthier after every use. Its lightweight, cream-based texture allows for effortless application and quick absorption, helping to detangle and condition without weighing hair down. Optimized with a pH level of 5.0–6.0, it minimizes cuticle swelling and restores proteins to their most resilient state for lasting results. Suitable for all hair types, the K18 Professional Molecular Repair Mask transforms damaged strands into strong, smooth, and bouncy hair that maintains its vitality long after washing.
More Details
More Details
Repairs Damage Caused By
- Bleach + Color
- Heat
- Chemical Services
Key Benefits
- K18PEPTIDE is a biotech-developed peptide that mimics hair's structure to reverse damage by reconnecting polypeptide chains and disulfide bonds broken during bleach, color and chemical services, and heat*.
- pH-optimized (5.0-6.0) to help minimize cuticle swelling + put hair proteins in their most resilient state after salon service or shampoo
- Cream format enables easy, lightweight application across all hair types, with detangling and softening benefits.
- Vegan, color-safe, cruelty-free
Dos and Dont's
- DO clarify before K18 if your client is a heavy product user (demineralize for mineral + metal buildup)
- DO apply on clean, damp hair (think about 65% wet)
- DO wait the full 4 minutes before combing or styling
- DO add whatever styling products you love after the 4 minutes
- DON'T use conditioner before applying K18 mask (you can apply after the 4 min but most find they don’t need it)
- DON'T overdo it—less is more
- DON'T rinse it out
How to Use
How to Use
The K18 professional molecular repair hair mask is meant to be used as the second part of the K18REPAIR™ service.
With a color or chemical service:
- Before the service, apply K18 professional molecular repair hair mist. Wait 4 minutes. Do not rinse out.
- Apply 1-3 pumps of K18 professional molecular repair hair mask based on your client’s length and density, starting at the ends and working up towards the roots. Let sit for 4 minutes. Do not rinse out.
- Proceed with cut or style as usual.
- If toning, use K18 PRO mist first, wait 4 minutes, then apply toner directly over PRO mist. Process as usual. Rinse or shampoo toner + apply K18 PRO mask per instructions above.
Without a chemical service:
- Shampoo, do not condition. Towel-dry thoroughly
- Apply 1-3 pumps of K18 professional molecular repair hair mask based on your client’s length and density, starting at the ends and working up towards the roots.
- Let sit for 4 minutes. Do not rinse out.
- Proceed with cut or style as usual.
Ingredients
Ingredients
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.
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