This System Professional Inessence Smoothing Mask is specifically formulated to cater to coarse and unruly hair types, offering intensive conditioning and control. It works to deeply nourish the hair fibers, improving manageability and significantly reducing frizz. The advanced formula helps to soften the texture of coarse hair, leaving it smooth, sleek, and visibly healthier with enhanced shine. Ideal for weekly intensive treatments, this mask transforms difficult hair into soft, manageable strands.