Leave-in formula for convenient care
Deeply moisturizes and smooths hair
Helps improve hair's appearance and feel
Leaves hair looking healthy with natural shine
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The K18 Leave-In Molecular Hair Mask (15ml) is a breakthrough, science-backed treatment that uses patented K18Peptide™ technology to reconnect broken keratin chains deep within the hair cortex, reversing damage from bleach, color, chemical services, and heat in just 4 minutes, no rinse required, leaving hair visibly stronger, softer, and up to 91% more elastic with every use.