Doctor Developed, Clinically Tested, Naturally Effective! This doctor-developed, clinically tested formula works in four ways to gently cleanse, de-flake, soothe and nourish the scalp and hair. Using our proprietary Therapeutic Psorzema Herbal Blend plus healthful vitamins and botanicals, this shampoo calms a dandruff-prone, itchy, irritated scalp and refreshes the hair, from root to tip. · CLEANSE: Sulfate-free surfactant system provides gentle, irritation-free cleansing · DE-FLAKE: Salicylic Acid penetrates to lift away excess flakes and surface buildup · SOOTHE: Tea Tree and Menthol help calm and cool itch on contact and help maintain scalp purity over time · NOURISH: Therapeutic Psorzema Herbal Blend (Neem, Burdock and Bearberry) replenishes a dry, irritated, scaling scalp, helping to promote optimum scalp and hair health Safe for color-treated hair. Use with our Scalp Relief Conditioner for a complete soothing scalp care regimen. Consumer tested, clinically tested, allergy tested, coal tar-free, pine tar-free, steroid-free, prescription-free, 100% vegan, cruelty-free, paraben-free, sulfate-free, mineral oil-free, lanolin-free, gluten-free, GMO-free.