Caffeine Melatonin = the ultimate scalp care duo. Caffeine works the day shift by stimulating the scalp and helping wake up tired follicles. It supports circulation and encourages follicles to stay in the growth phase longer. Melatonin works the night shift. It’s a powerful antioxidant that helps protect the follicle, support the hair growth cycle, and create a healthier scalp environment while your body is in repair mode. Together they help: • Stimulate follicles • Support a healthy hair growth