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    1. Hair Fibers cosmetic product that temporarily makes hair appear thicker
    2. Adenosine Molecule the body uses for energy, used as a cosmetic hair-lotion ingredient
    3. Scalp Micropigmentation scalp tattoos to mimic the appearance of light stubble
    4. Stemoxydine Cosmetic ingredient made by L'Oréal
    5. Melatonin Hormone that regulates sleep, sold as a supplement