K-18 Leave-In Repair Mask clinically reverses damage in 4 minutes.

Creates hair that feels like new through this innovative leave-in treatment mask. 

The patented biotech peptide mimics hair's structure and works to reverse and repair damage from bleach, color, chemical services & heat restoring strength, softness, smoothness, and bounce to hair.

pH-optimized (5.0-6.0) to travel deeper into the inner layers of hair than traditional repair products, K18 revolutionary patented K18Peptide™ is just the right size and makeup to fit in and reconnect broken keratin chains, renewing hair with strength, softness, smoothness, and bounce. You can feel and see the difference with the first use.

BENEFITS

- Takes damage repair further – reconnects both polypeptide chains (and as a result, also reconnects disulfide bonds) for strength along the length + width of the hair - offering comprehensive, lasting damage repair

- Restores hair from even extreme damage - by working at the innermost layer of the hair, core strength and elasticity are renewed for strong, smooth, bouncy hair

- Delivers immediate and lasting results – hair is repaired from the first use and lasts past your next wash, for ongoing reparative benefits

Simplified repair - convenient, leave-in formula works in just 4 minutes, with no extra rinse required

- pH-optimized (5.0-6.0) to help minimize cuticle swelling + put hair proteins in their most resilient state