CROWA strengthens cuticles and, at the same time, restores damages cuticles, so your hair has a smooth surface; uniformly reflects light; and looks glossier. By strengthening cuticles, your hair has an improved barrier function and becomes less susceptible to damage. CROWA repairs flaws in cuticles and fills voids inside hair. It holds the color of the hair dye longer, and also prevents your hair from becoming rough, tangled, or messy due to damage or dryness.