K18

K18 AstroLift Reparative Volume Spray is a lightweight, buildable volumizer that repairs bounce-reducing damage with K18PEPTIDE™ while adding fuller-looking lift and flexible, humidity-resistant hold for up to two days. Every spritz pairs the patented K18PEPTIDE™ with a hair-fiber volumizing complex to address the structural...

K18 AstroLift Reparative Volume Spray is a lightweight, peptide-powered volumizer that repairs damage-related limpness and builds touchable, lifted hair for up to two days. Engineered for fine or volume-depleted hair, this spray blends K18PEPTIDE™ repair technology with a hair fiber volumizing complex to restore...

K18 Damage Shield Color Safe Shampoo is a gentle, pH-optimized daily cleanser that preserves color, reduces frizz, and supports hair strength while effectively removing dirt and oil. This shampoo is formulated specifically for color-treated and chemically processed hair that needs a careful balance between...

K18 Damage Shield Color Safe Shampoo is a pH-protective, gentle daily cleanser formulated to preserve hair color while reducing frizz and enhancing shine. This 16 fl oz shampoo from K18 is designed for color-treated and chemically processed hair that needs frequent washing without accelerated...

K18 Damage Shield Protective Conditioner is a lightweight, color-safe conditioner that softens, detangles and protects hair from UV, pollution and mechanical styling for up to three days. This conditioner is formulated to sit comfortably in your daily routine between deeper K18 treatment mask sessions....

K18 Damage Shield Protective Conditioner is a lightweight, color-safe conditioner that helps shield hair from daily damage and maintains strength for up to three days using the patented K18PEPTIDE. Everyday styling, sun exposure and mechanical wear can weaken hair over time. K18's Damage Shield...

K18 Damage Shield Wash Care Set is a full-size, color-safe shampoo and conditioner duo designed to cleanse gently while reducing frizz, detangling hair, and helping preserve hair strength after chemical or heat exposure. This two-piece set combines K18's Damage Shield Shampoo and Conditioner to...

K18 HeatBounce Conditioning Heat Protection Spray is a lightweight leave-in that detangles, softens and shields hair from heat up to 450°F while helping reduce breakage during styling. Designed for daily use before heat styling, this 1.6 fl oz spray layers under tools and styling...

K18 HeatBounce Conditioning Heat Protectant Spray is a lightweight leave-in that detangles, softens, and shields hair up to 450°F (232°C) while reducing breakage after blow drying.* Designed for all hair types and textures, K18 HeatBounce combines conditioning benefits with advanced thermal defense in a...

K18 Leave-In Molecular Repair Hair Mask is a 4-minute, leave-in peptide treatment that repairs and strengthens chemically or heat-damaged hair at the molecular level. This lightweight, leave-in cream uses the patented K18PEPTIDE to reconnect broken polypeptide chains inside the hair fiber, restoring elasticity, smoothness,...

K18 Leave-In Molecular Repair Hair Mask is a four-minute peptide treatment that helps restore strength, smoothness and bounce to chemically or heat-damaged hair without rinsing. Designed by biotech scientists, this concentrated leave-in cream uses the patented K18PEPTIDE™ to target damage beneath the cuticle where...

K18 Peptide Prep Detox Shampoo is a color-safe clarifying cleanser that removes product buildup, excess oils and metals from hard water while preserving hair strength. This detox shampoo combines activated charcoal and salicylic acid with the brand’s patented K18PEPTIDE to lift away residue from...

K18 Peptide Prep Detox Shampoo is a color-safe clarifying cleanser that removes dirt, oil, metals from hard water and heavy product buildup while preserving hair strength with the patented K18PEPTIDE. Built as a pre-step for the K18 molecular repair routine or as a weekly...

K18 TripleBright Oxidation Defense Purple Shampoo is a non-staining, triple-action purple cleanser that removes metal and mineral build-up, neutralizes existing brassiness, and helps prevent future oxidation for brighter, longer-lasting blonde tones. This gentle foam shampoo is engineered for highlighted, lifted, and naturally light hair...