K18 Molecular Repair Hair Mask
K18 leave-in molecular repair hair mask heals and strengthens hair with lightweight moisturizing benefits to keep hair smooth and soft, without weighing it down. For best results, use every 4-6 consecutive washes following a service for hair like new. It’s powered by our biomimetic K18PEPTIDE™ to seamlessly fit in and reconnect broken polypeptide chains at the molecular level. As a result, disulfide bonds are also reconnected for reinforced strength along the length + width of hair—offering comprehensive, lasting, and progressive repair.
why it’s revolutionary:
The more damaged the hair, the more dramatic the results.
how to optimize k18
- 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
Every purchase supports K18 x Plastic Bank efforts to radically simplify waste.