K18Repair, Protect + Smooth Set

Discover K18’s exclusive holiday collection—Molecular by Design (featuring a limited-edition collaboration with artist Jen Stark). Powered by biotech, these holiday sets repair hair at the molecular level to unlock infinite possibilities for creative expression. The ultimate gift to restore hair strength, softness, and shine from the inside out.

The Repair, Protect + Smooth Set is the ultimate 3-step holiday routine to repair, heat-protect, and smooth your hair. Features the iconic K18 Leave-In Molecular Repair Hair Mask (15 ml) to restore core strength in 4 minutes, K18 Heatbounce™ (47 ml) for ultimate thermal protection, and K18 Molecular Repair Hair Oil (10 ml) to lock in shine and control frizz.

How to Use:

1. K18 Leave-In Molecular Repair Hair Mask: Shampoo, do NOT condition. Towel-dry, apply mask, wait 4 minutes (do NOT rinse).

2. K18 Heatbounce: Apply to damp hair prior to blow-drying/heat styling for maximum thermal protection.

3. K18 Molecular Repair Hair Oil: Apply 1–3 drops to damp or dry hair to lock in shine and smooth frizz.