K18 Leave-In Molecular Repair Hair Mask

Four minutes of care. No extra rinse.

Give stressed hair a dedicated treatment step with K18 Leave-In Molecular Repair Hair Mask. Designed for hair affected by coloring, bleaching, chemical services, and heat styling, it helps restore a softer feel, smoother texture, and natural movement.

Its leave-in format fits easily into wash day: apply after shampooing, wait four minutes, then continue styling.

Care powered by K18PEPTIDE™

K18’s signature peptide technology is designed to address damage within the hair fiber and improve strength and elasticity. It brings targeted treatment to hair that feels weakened or looks stressed from repeated processing.

Softness, smoothness, and movement

Help your lengths feel more manageable while keeping the movement that makes your hair yours. The cream format makes it easy to distribute a small amount through the areas that need attention.

Why you’ll love it

• Treatment for damaged hair: Designed for damage associated with bleach, color, chemical services, and heat.
• Four-minute waiting time: A simple step before styling.
• Leave-in convenience: No rinsing required.
• Versatile care: Suitable for different hair types and textures.
• Choice of sizes: Select the format that suits your routine.

How to use

1. Shampoo your hair and skip conditioner before the mask.
2. Towel-dry thoroughly.
3. Apply a small amount, starting at the ends and working upward. Adjust the quantity to your hair’s length and density.
4. Wait four minutes before combing or adding styling products.
5. Do not rinse. Continue with your styling routine.

K18 recommends using the mask for the first 4–6 consecutive washes, then as needed for maintenance. Follow the directions on your specific pack.