For thick, rough, wavy, curly, unruly and frizzy hair Almost 90% of women dream of having a more manageable, soft hair with a control of lasting frizz. BC Keratin Smooth Perfect has been formulated to control thick, frizzy, thick or curly hair thanks to its frizz-control formula.This incredible formula controls curling from washing to washing, minimizes combing time and offers up to 70% faster unraveling of hair. For smoother, brighter, hydrated and easy to handle hair always. ADVANCED TECHNOLOGY. Keratin is widely found in cosmetic products and is the basis of hair and human skin. It helps maintain the function of the cells intact, which results in an outer layer of healthy and protective hair. Keratin, a highly effective amino compound formulated to nourish in depth while lastingly controlling thick and frizzy hair. Protects hair from heat fixing tools, as well as moisture. Provides frizz-free, soft and visibly brighter hair.