Designed for thin hair, this shampoo works on the surface of each strand of hair to expand its diameter, giving it a thicker feel. Also gently cleanses to remove follicle-clogging impurities. Formulated with Biotin, Zinc PCA and Gluco-Omega blend Breakage is reduced for fuller-looking, thicker-feeling hair (when used along with Full Density conditioner) How to Use: Massage into wet hair and leave on for 1-3 minutes. Rinse. JCPenney limits the sale of all salon products and salon special purchases to 8 of any one item, up to a maximum of 12 items, per customer, per month. Concerns: Thinning Fluid Ounces: 13.5 oz. Ingredients: Paraben-Free Formulation: Liquid Country of Origin: Made in US Please be aware ingredients are subject to change periodically. It is recommended you check the product packaging prior to use for a complete ingredient list.