Part of Redken’s award-winning Acidic Bonding Concentrate range. This pH‑balancing leave‑in treatment provides heat protection up to 230 degrees, smoothes and reduces frizz, adds shine and intensely conditions to help reduce hair breakage. When used as a system (Intensive Pre‑Treatment, Shampoo, Conditioner & Leave‑In) it can combat up to one year of visible damage in a single use (vs. undamaged hair). How to use: apply to clean, damp hair, leave in (do not rinse) and style as usual. Avoid contact with eyes.