This innovative leave-in treatment, K18 Leave In Molecular Repair Hair Mask 5ml, is made to strengthen and repair hair from the inside out. This mask repairs damaged keratin chains at the molecular level by using the patented K18PeptideTM, which gives hair its strength, elasticity, and softness back. 

This lightweight formula is perfect for all hair types because it deeply penetrates the hair shaft and provides long-lasting repair without making hair feel heavy. The 5ml size provides a convenient way to experience the transformative effects of K18 and is ideal for travel or trial use. 

What’s special about K18 Leave-In Molecular Repair Hair Mask 5ml

• Repairs damage from bleach, color, chemicals, and heat

• Restores strength, elasticity, and softness

• Lightweight, non-greasy formula

• Clinically proven results in just 4 minutes

• Suitable for all hair types

Other Details

• Variant: 5 ml

How to Use

1. Shampoo your hair and towel-dry thoroughly.

2. Apply 1–3 pumps of the mask (adjust based on hair length and thickness).

3. Work evenly through hair from ends to roots.

4. Leave on for 4 minutes to activate.

5. Do not rinse out. Style as usual.

PRO TIP

For optimal results, use for 4–6 consecutive washes following a chemical service, then as needed to maintain hair strength.