A leave-in treatment mask that works on the molecular level to reverse hair damage in just 4 minutes. The K18PEPTIDE™ is clinically proven to repair damage from bleach + color, chemical services and heat* – with immediate and lasting results to restore strength, softness, smoothness and bounce to hair.
repairs damage caused by
- Bleach + Color
- Heat
- Chemical Service
DOs & DON’Ts
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- DO clarify before K18 if you’re a heavy product user (demineralize for mineral + metal buildup).
- DO apply on clean, damp hair.
- DO wait the full 4 minutes before combing or styling.
- DO add whatever styling products you love after the 4 minutes.
- DO use for 4-6 shampoos consecutively for progressive results
- 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.



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