A HIGH PERFORMANCE BLEND WITH VITAMIN B7 BIOTYIN, MASK COLLAGEN MOISTURIZING AND NOURISHING, INFUSES NUTRIENTS INTO EVERY STRAND, AND HYDROLYZED WHEAT PROTEIN CREATES THE APPEARANCE OF THIKER, FULLER, HEALTHY LOOKING HAIR. OVER TIME, THIS EFFECTIVE MASK ASSISTS IN PROTECTING AND REINFORCING EVERY HAIR STRAND, IN ADDITION TO MAKING HAIR APPEAR HEALTHIER AND EASIER TO MANAGE. In order to prevent split ends and repair the appearance of styling damage, it smoothes and nourishes the hair cuticle. HOW TO USE: CAREFULLY COMB THROUGH THE LENGTHS AND ENDS OF THE HAIR AFTER MASSAGING THEM INTO WET HAIR. GO AWAY FOR TWO TO THREE MINUTES AND RINSE.