An oil-soluble acid that works to exfoliate and slough away dead skin cell build up, and dissolve excess oil and debris, helping to keep the scalp clean and healthy. When encapsulated, Salicylic Acid becomes water-soluble and can be rinsed out. Salicylic Acid is clinically proven to help reduce inflammation and regulate sebum production within the follicle, helping to prevent common unfavourable scalp conditions like dandruff and seborrheic dermatitis.