Product Description

Repair hair at the molecular level with K18 Leave-In Molecular Repair Hair Mask. Powered by the groundbreaking K18Peptide™, this leave-in treatment reconnects broken keratin chains caused by chemical, color, and heat damage. In just 4 minutes, it restores strength, softness, smoothness, and bounce — leaving hair healthier than ever before.

Key Benefits

• Clinically proven to reverse hair damage in 4 minutes

• Repairs keratin chains for stronger, healthier hair

• Restores softness, smoothness, and elasticity

• Works on all hair types, including color- and chemically treated

• Lightweight, leave-in formula with no rinse required

How to Use

Shampoo hair and skip conditioner. Towel-dry, then apply 1–3 pumps evenly from mid-lengths to ends. Wait 4 minutes before styling or applying other products. Use every 4–6 shampoos for ongoing repair.

Why We Love It at Soho House Beauty Lounge

This is our biotech miracle treatment. It brings even the most damaged hair back to life — smooth, strong, and resilient after just one use.