PURA D'OR shampoo helps combat hair thinning. Formulated with a proprietary blend of 17 herbal ingredients, the biotin shampoo contributes to a healthier-looking and fuller head of hair. Tea tree oil, argan oil, red korean seaweed, and saw palmetto are just a few of the ingredients that can help reduce breakage. For both men and women, the shampoo contains no parabens, SLS, or gluten.