Product Details 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. It speeds up blow dry time while smoothing, or softly defines and smooths air dried curls and reduces frizz and flyaways for up to 72 hours. This highly concentrated formula is suitable for all hair types including dry, grey, coloured and chemically treated hair and is good for textures from coily to fine. Its been redesigned in an easy dispensing, airless pump to give your hair every last dose of definition and smoothness.; Made without sulfates, phthalates, parabens, or gluten. Vegan. Colour-safe.; PH Balance: 4.0-5.0; How To Use Apply to damp or dry hair, mid-length to ends. Comb through and style as desired. Start with 1/2 pump for shoulder-length hair. Use more for longer, thicker hair. Less for fine or short hair. Can be used on wet and blow dry for a long-last