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    1. Alopecia Areata autoimmune disorder causing patchy hair loss
    2. GHK-Cu Copper peptide used in skin and hair cosmetics
    3. Dexpanthenol Provitamin B5, a moisturiser in hair and skin products
    4. Follistatin Protein that blocks activin, a growth-regulating signal
    5. Peppermint herb and oil thought to stimulate skin and hair