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Researchers at the University of Virginia discovered a new group of stem cells in hair follicles that could potentially restore hair growth. The findings suggest that activating these stem cells might offer a new way to combat hair loss, though practical treatments are still years away.

Quercetin and houttuynia cordata extract may stimulate hair growth by enhancing cellular energy metabolism and increasing growth factor secretion. Quercetin has low oral bioavailability, and its natural tint might stain the scalp if used topically.

Topical application of Eriodictyon angustifolium extract can prevent and reverse age-related beard graying and darken gray hair by increasing melanin production. Sterubin, a component of the extract, also promotes hair pigmentation and protects cells from DNA damage.

Dutasteride is more effective than finasteride for hair loss as it blocks more of the enzyme causing hair loss. New treatments like stem cell therapies and alternatives to minoxidil are being explored, but major advancements are still years away.

RT1640, a combination of cyclosporin A, minoxidil, and RT175, is discussed as a potential treatment for hair regrowth and repigmentation. The unique formulation aims to enhance hair follicle growth and restore hair pigment without the negative side effects of immunosuppressants.