Revox B77 Just Salicylic Acid 2% For Scalp is a clarifying serum for oily and acne-prone scalp skin. Effective 2% BHA gently exfoliates and purifies the scalp, helping to control excessive oil production while treating scalp acne. Formulated with soothing tea tree oil and hydrating betaine, the serum works to promote a fresher, healthier scalp and hair. Its lightweight, silicone-free formula penetrates the scalp without leaving a greasy feeling. This product targets acne-prone scalps and is beneficial for all hair types. How to use Apply 6-7 drops to dry scalp using gentle massage movements. Leave on for 15-20 minutes, then wash off with warm water and a mild shampoo. Use once a week or as needed.