Zinc Pyrithione Is An Effective, Safe Method For Eliminating Malassezia. Four Plant Oils - Rosemary, Lavender, Thyme + Peppermint - Create A Formula That Can Lead Your Scalp Back To A Natural, Healthy Condition. Willow Bark Extract, Shown To Penetrate + Gently Exfoliate The Skin, Begins A Deep Cleansing Process Of The Scalp That Reduces Inflammation, Helping Prevent Dandruff Buildup. Formulated With Salicylic Acid, Which Helps The Skin Rid Itself Of The Outer Layer Allowing Healthier Skin Underneath To Renew. Contains Six Specific Ingredients Known To Address Malassezia.