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    1. Melatonin Hormone that regulates sleep, sold as a supplement
    2. Fluridil Topical anti-androgen sold as a cosmetic lotion
    3. Redensyl Cosmetic ingredient blend sold for thinning hair
    4. RU58841 Experimental topical anti-androgen sold as a research chemical
    5. Biotin B vitamin, often sold as a hair supplement