K18 Biomimetic HairScience Leave In

  K18's molecular repair hair mask repairs, strengthens, and improves elasticity in 4 mins, softening and detangling hair at the same time. Restores damage from bleaching, heat, coloring, and more 1. Shampoo, do not condition.2. Towel dry thoroughly.3. Begin with 1 pump of the K18 Mask and add more as needed depending on the length, thickness, and condition.4. Work evenly into hair from ends to roots, one pump at a time.5. Let sit for 4 minutes to activate.6. Do NOT rinse out. Style as usual.For best results, use for the first 4-6 consecutive washes, then every 3-4 washes as needed to maintain hair strength.