Pura D'or Hair Loss Prevention Therapy Shampoo is a clinically tested formula proven to reduce hair loss due to breakage.* Our exclusive blend of 12 key active ingredients helps to improve volume, thickness, shine, split ends and scalp health. Niacin, Biotin, Argan Oil, and other natural ingredients help to invigorate and purify the scalp, while encouraging strand strength and resiliency. Free from harsh chemicals, environmentally responsible, hypo-allergenic, vegan and cruelty free.*Based on results of tress test study analyzing breakage after using the Pura D'or Shampoo and Conditioner System vs. regular shampoo alone. Gender: Unisex.