What it is: K18 Mist is a pre-service treatment that strengthens hair before a chemical service. The pH level of 7.5-8.0 shifts the cuticle layer to penetrate into hair's cortex and hone in on damage sites. What else you need to know: K18Peptide is the miracle molecule haircare was waiting for. Clinically proven to reverse damage in just 4 minutes. is the miracle molecule haircare (and your salon) was waiting for. Clinically proven to reverse damage in just 4 minutes. Like-new hair that has been damaged hair from the inside out.; Healed damage from bleach, color, chemical services, heat, and mechanical styling.; Restored strength, softness, smoothness. and bounce