Let Me Be Black Blond Expert Hair Mask 500gLet Me Be Black Blond Up Expert Mask 500g The Let Me Be Prosalon Black Tinting Mask is a treatment mask developed to remove the unwanted yellowish effect of blonde, grey and white hair caused by the action of time. The Let Me Be Prosalon Black Tinting Mask for blonde hair, has a yellowing action and a system for blonde hair, gray or wicks, leaving them orange hair in a wonderful pearly platinum tone. It consists of active ingredients that activate and