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    Glossary Enzyme

    An enzyme is a biological catalyst that accelerates chemical reactions in the body, including those involved in hair growth and maintenance. In the context of hair loss, certain enzymes can influence the metabolism of hormones like dihydrotestosterone (DHT), which is linked to androgenetic alopecia. Key distinguishing characteristics of enzymes include their specificity for substrates and their ability to function under physiological conditions, making them crucial for various biochemical pathways related to hair biology.

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    1. Dutasteride 5-alpha reductase inhibitor that blocks both enzyme types, a stronger DHT blocker than finasteride
    2. Finasteride Popular 5-alpha reductase inhibitor that lowers DHT, taken as a pill or used topically
    3. Stemoxydine Cosmetic ingredient made by L'Oréal
    4. Saw Palmetto Palm-berry extract taken as a supplement
    5. Melatonin Hormone that regulates sleep, sold as a supplement