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    1. Caffeine Stimulant used in hair shampoos and lotions
    2. Azelaic Acid Acid used in acne and rosacea creams
    3. Hydrocortisone Mild corticosteroid used on the skin and scalp
    4. GT20029 Experimental topical drug designed to break down androgen receptors
    5. Follistatin Protein that blocks activin, a growth-regulating signal