Search
for

    Sort by

    Learn 5 of 7

    1. Microneedling Technique that makes tiny punctures in the scalp with fine needles
    2. Melatonin Hormone that regulates sleep, sold as a supplement
    3. Cetirizine Antihistamine allergy medicine
    4. Caffeine Stimulant used in hair shampoos and lotions
    5. KY19382 Experimental compound that activates hair-growth signals, tested only in animals