OLAPLEX No.6 Bond Smoother is a leave-in reparative styling treatment, infused with patented OLAPLEX Bond Building technology. No.6 smooths, conditions and strengthens without adding hold or excess weight. A highly concentrated formula for all hair types including dry, grey, colored and chemically treated hair. Good for textures from coily to fine. Redesigned in an easy dispensing, airless pump to give your hair every last dose of definition and smoothness. Speeds up blow dry time while smoothing Softly defines and smooths air dried curls Reduces frizz and flyaways for up to 72 hours Made without sulfates, phthalates, parabens, or gluten. Vegan. Color-safe. PH Balance: 4.0-5.0