K18 Leave-In Hair Mask is a revolutionary molecular repair treatment that works from the inside out to permanently repair damaged hair in just 4 minutes. Powered by the patented K18Peptide™, it reconnects broken keratin chains caused by bleaching, coloring, heat, and chemical treatments. Unlike surface-level conditioners, K18 goes deep to restore strength, softness, smoothness, and elasticity — without rinsing out.
This 15ml size is perfect for travel or for testing out the product before committing to the full size.
Key Benefits:
Clinically proven to reverse hair damage in 4 minutes
Repairs hair at a molecular level for long-term strength
Restores elasticity and resilience
Adds softness, smoothness, and shine
Leave-in formula – no rinsing required
Lightweight, non-greasy, and safe for all hair types
Ingredients:
K18Peptide™ (sh-Oligopeptide-78)(penetrates the hair cortex and reconnects broken keratin chains)
Glycerin (hydrates and smooths)
Cetearyl Alcohol (softens and conditions)
Propanediol (moisture retention and product stability)
Isopropyl Myristate (improves texture and feel)
Water, Fragrance, and other conditioning agents
How to Use:
Shampoo your hair (use K18 Detox Shampoo for best results).
Do NOT use conditioner after shampooing.
Towel-dry hair until damp, not dripping wet.
Apply 1–3 pumps (depending on hair length and thickness) evenly from roots to ends.
Let it sit for 4 minutes to activate.
Do not rinse out – style as usual.
Pro Tip:
Use for 6 consecutive washes, then switch to every 3–4 washes for maintenance.
