K18 AirWash is a non-aerosol dry shampoo spray that absorbs oil and sweat, eliminates odors with odorBIND™ biotechnology, and leaves no white residue for up to three days of refreshed hair and scalp. Designed for busy routines and sensitive scalps, this concentrated non-aerosol formula...

K18 Damage Shield Protective Conditioner is a daily conditioner that defends hair from UV, pollution, and styling wear while improving strength, smoothness, and shine for up to three days. This lightweight conditioner is formulated to protect hair between K18 treatment mask sessions by restoring...

K18 Damage Shield Protective Conditioner is a leave-in daily conditioner that shields hair from everyday damage while boosting smoothness, strength, and shine. This lightweight, protective conditioner from K18 is formulated to defend hair against mechanical styling, UV exposure, and environmental stressors for up to...

K18 Damage Shield Protective Shampoo is a nourishing, everyday cleanser that reduces frizz and tangles while supporting hair resilience and manageability. Built for hair that needs gentle, protective care, this sulfate-free formula cleanses without stripping natural oils and leaves strands easier to comb, style,...

K18 Damage Shield Protective Shampoo is a color-safe, pH-optimized cleanser that reduces frizz and tangles while preserving hair health and shine. Developed to gently but effectively remove dirt and oil, this less-is-more shampoo uses plant-derived surfactants and a microbiome-friendly formula to clean without stripping....

K18 Damage Shield Wash Care Set is a full-size, color-safe shampoo and conditioner duo designed to reduce frizz and tangles while preserving hair strength and vibrancy. This two-piece system from K18 delivers gentle cleansing and lightweight conditioning that focus on protecting hair from everyday...

K18 Leave-In Molecular Repair Hair Mask is a 4-minute peptide treatment that repairs and restores damaged hair by reconnecting at the molecular level for stronger, smoother, more resilient strands. This concentrated leave-in mask uses a patented K18PEPTIDE to work inside the hair fiber rather...

K18 x Future Society Leave-In Molecular Repair Hair Mask is a limited-edition peptide treatment that helps reverse bleach, color, chemical, and heat damage in just four minutes. This collaborative edition combines K18’s patented K18PEPTIDE technology with a biotech-crafted fragrance inspired by extinct-flower DNA for...

K18 Molecular Repair Hair Oil is a lightweight, silicone‑free finishing and treatment oil that strengthens damaged hair, smooths frizz, and boosts shine while helping protect against heat styling. This biotech‑inspired oil combines a patented peptide system with nourishing plant oils to address damage at...

K18 Peptide Prep™ Detox Shampoo is a color-safe clarifying shampoo that gently removes product build-up, excess oils, and metal deposits from hard water to leave hair and scalp clean and ready for treatment. This formulation is designed as a deep detox for hair and...

K18 Peptide Prep™ Detox Shampoo is a color-safe clarifying wash that gently removes dirt, oil, metal deposits and heavy product buildup while preserving hair strength with the patented K18PEPTIDE. If your hair feels weighed down, lacks movement, or your color looks dull despite regular...

K18 TripleBright Oxidation Defense Purple Shampoo is a non-staining, triple-action purple shampoo that removes metals and minerals, neutralizes existing brass, and helps defend against future brass for brighter, longer-lasting blonde. Designed for highlighted, lifted, and naturally blonde hair, this foam shampoo uses K18’s Triple-Action...