Repair Leave-In Serum for Very Damaged Hair

The Resistance line from Kerastase — a powerful regenerating treatment for severely damaged hair, which is regularly subjected to aggressive chemical, thermal, and mechanical stress. Thanks to its highly concentrated dual-phase formula, the restoring serum rejuvenates, strengthens, and coats the surface of each hair strand with a protective barrier. Moreover, the product effectively combats split ends and shields against the harmful effects of high temperatures from styling tools — curling irons, hairdryers, straighteners.

Features of Kerastase Resistance Therapist Serum:

- Instantly repairs damaged areas of the structure;
- Seals hair ends;
- Accelerates the drying process of locks after washing;
- Makes curls manageable, easing detangling and styling;
- Has a soft fresh fragrance, enveloping each strand with vivifying energy and strength;
- Does not require rinsing;
- Protects against high temperatures — up to 230 °C.

WET HAIR: Depending on the length and thickness of your hair, use 1 to 3 pumps. Mix the two phases of the serum in your palm right before applying. Spread evenly from roots to ends, then comb through your hair. Do not rinse. Style your hair using a blow dryer or let it dry naturally. DRY HAIR: Apply to dry hair after blow-drying or natural drying as a finishing product. Use 1-2 pumps.