Kerasilk Strengthening Bond Builder 90mlThe Strengthening Bond Builder by KERASILK is a deep acting, intensive treatment with Biomimetic Silk and Bondamide. Our 100% vegan formula builds new hair bonds to repair brittle, dull or rough and even highly damaged hair. The Kerasilk Strengthening Bond Builder strengthens the hair structure down to the cortex and prevents future damage for up to 20 x stronger hair, long lasting stability and up to 98% less hair breakage. This deep acting, high