Schwarzkopf BC Bonacure Keratin Smooth Perfect Shampoo cleanses and restores unruly and brittle hair. If your hair is unruly, thick and coarse, or is frizzy and needs a daily dose of smoothing moisture, then this is the shampoo to solve your problems. The keratin-infused formula intensively detangles, smooths the hair's surface and improves manageability and slip. For optimal results, the shampoo should be used in combination with the Keratin Smooth Perfect Conditioner and the Keratin Smooth Perfect Treatment. This soothing cleanser protects against heat, humidity and frizz while giving your hair incredible shine and smoothness.BC Bonacure Keratin Smooth Perfect offers a complete line of care products designed specifically for thick, brittle, wavy, unruly and frizzy hair. They contain intensive amino-active ingredients to protect the hair from humidity and frizz for up to 4 days. Hair has up to 100% more shine and is permanently tamed.How to use: Apply to wet hair. Leave for 1 to 2 minutes. Rinse thoroughly. Then carry out the next treatment steps of the appropriate BC care programme.