An At-home Leave-In Treatment infused with the patented K18Peptide that renews hair to its most youthful, healthy state. Benefits: Works to repair even the most extreme damage caused by bleach and color, chemical services, and heat. | Creates Like Hair Like New: Traveling into the inner-most layers of hair to reach the core polypeptide chains our revolutionary K18Peptide is just the right size and makeup to reconnect broken chains responsible for hair strength and elasticity. | Renews All Hair Types: K18 doesn’t just hide damage or patch it up leaving hair brittle, it transforms even the most extreme damage into hair that looks and feels like new. K18 works on all hair types, all generations, all types of expression. | Lasting Results That Won't Wash Away: The K18Peptide mimics the natural building blocks of hair and therefore is recognized as natural-so it’s able to integrate itself with the keratin chains to rebuild and restore hair immediately and over time. | Back By Biotech: K18 is the world’s first patented biotech treatment that renews chemically damaged hair from the inside out in just 4 minutes, strength, softness, smoothness, and bounce are restored for hair that looks and feels like new.

An At-home Leave-In Treatment infused with the patented K18Peptide that renews hair to its most youthful, healthy state. Benefits: Works to repair even the most extreme damage caused by bleach and color, chemical services, and heat. | Creates Like Hair Like New: Traveling into the inner-most layers of hair to reach the core polypeptide chains our revolutionary K18Peptide is just the right size and makeup to reconnect broken chains responsible for hair strength and elasticity. | Renews All Hair Types: K18 doesn’t just hide damage or patch it up leaving hair brittle, it transforms even the most extreme damage into hair that looks and feels like new. K18 works on all hair types, all generations, all types of expression. | Lasting Results That Won't Wash Away: The K18Peptide mimics the natural building blocks of hair and therefore is recognized as natural-so it’s able to integrate itself with the keratin chains to rebuild and restore hair immediately and over time. | Back By Biotech: K18 is the world’s first patented biotech treatment that renews chemically damaged hair from the inside out in just 4 minutes, strength, softness, smoothness, and bounce are restored for hair that looks and feels like new.

Defends against damage: Conditioning protection against damage from UV rays, environmental aggressors, and daily mechanical styling for up to 3 days* *Improved results in protein condition and hair breakage in simulated 3-day UV exposure *Reduction in pollution deposits in simulated pollution exposure | Maintains hair health: Fortifies hair’s exterior lipid barrier to make hair more resilient and resistant to damage. K18PEPTIDE replenishes protein lost during washing | Enhances hair’s natural shine: pH-optimized formula minimizes excess cuticle swelling during washing to help keep hair smooth and maximize shine. | Softens, smooths, and detangles without film-forming silicones or waxes that can build up over time and weigh hair down. | Your daily care routine: Fortify, soften, detangle + protect hair between K18 treatment mask days

Color-safe but powerful cleansing: Plant-derived surfactants deliver safe but effective high-power cleansing to break down and remove dirt + oil | Designed for damaged hair: pH-optimized formula helps prevent excess swelling of the hair cuticle during washing, which helps maintain color, improve hair health and shine, and reduce frizz | Gentle enough to use every time you cleanse: Gentle on hair AND scalp. pH-optimized formula mimics hair’s natural pH, to reduce cuticle swelling and maintain hair health, and preserve the scalp microbiome | Certified microbiome-friendly formula: Removes dirt and oil without disrupting the scalp’s natural protective barrier | Formulated with K18PEPTIDE: Helps reduce protein loss to keep hair feeling healthy and strong

A color-safe, non-stripping clarifying shampoo with the K18PEPTIDE to gently but effectively remove 99% product buildup, 95% sebum + 76% copper* for detoxified, refreshed hair. | Deeply cleanses hair and scalp: A non-stripping lather works to unclog hair follicles while banishing dirt, oils, silicones, and things left behind from heavy product buildup including 99% of product buildup, 95% of sebum + a 76% copper reduction* after just 1 wash. | Clears the path: Preps hair for maximum K18 Molecular Repair Leave-in Treatment results. Everything performs better on clean, clarified hair including color + chemical services, treatments, and styling products. | Creates ideal foundation for healthy hair: This color-safe formula was engineered to deliver a deeper cleanse without disrupting hair or being harsh on the scalp. | Every purchase supports K18 x Plastic Bank efforts to radically simplify waste.