Sulfate-free Life Solutions Volume Restore Shampoo by Alterna works at the scalp to promote thicker, fuller hair. Combines Alterna¿s Nutrozyme Complex that reduces buildup at the cellular level and Enzymetherapy¿the Science of Skincare for Hair that provides enzymes needed for easy absorption of vitamins and minerals to create thicker, stronger, healthier hair. Also incorporates a blend of Eastern Extracts designed to combat hair loss and build up the hair shaft for extra body.