Nexxus Keraphix Liquid Crystallizer Reconstructive Leave-In Serum for Damaged Hair with KRT Keratin Resistance Therapy, 3.3 fl oz

Hair is made up of protein. Every touch, every treatment, every style you love—it all rewrites your hair’s protein. When protein is damaged, hair’s look and feel is compromised. That’s why Nexxus uses protein science not just to repair hair but to restore its ability to perform. It isn't about one perfect hair day. It's about a lifetime of healthy hair, built strand by strand. When you style, color, or even brush your hair, vital proteins and amino acids start to break down—weakening the fiber and dulling its shine.

• 34X STRONGER + MORE RESISTANT TO HAIR BREAKAGE*: Repair and resist visible damage from coloring, bleaching, highlighting, styling, heat and more; *System vs; non-conditioning shampoo
• 19.3% KRT TECHNOLOGY: This serum for damaged hair with Keratin Resistance Therapy and liquid crystal amino acids, reconstructs bonds from cuticle to cortex for strong, soft, damage-resistant hair
• BOND REPAIR HAIR CARE SYSTEM: Restores and helps with hair strengthening from cuticle to cortex using crystal technology providing deep penetration for lasting resilience
• INSTANT RESULTS + DAMAGE SHIELD SYSTEM WITH THIS HAIR BREAKAGE TREATMENT: Softer, smooth hair in one use with heat protection up to 450° and future damage defense
• HAIR STRENGTHENING TREATMENT FOR MOISTURE + EASY STYLING: Weightless hydration detangles and enhances manageability for effortless hair care and hair styling
• CONSUMER-VALIDATED*: 100% of consumers agree: This regimen made hair smooth*Based on a consumer panel study on 7/29/25 using Nexxus KERAPHIX™ Shampoo, Conditioner + Liquid Crystallizer treatment
• For Adult Use