22 citations
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August 1999 in “Experimental Dermatology”
This study found that subcutaneous injections of guanethidine or 6-hydroxydopamine induced premature hairgrowth in mice, suggesting a role for sympathetic nerves in hairgrowth control.
January 2025 in “bioRxiv (Cold Spring Harbor Laboratory)”
This study found that rhamnose can restore hair-inducing gene expression in dermal papilla cells and accelerate hair follicle regeneration by promoting the hair cycle into the anagen phase, suggesting its potential therapeutic application for alopecia treatment.
28 citations
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November 2013 in “The journal of investigative dermatology/Journal of investigative dermatology”
This study found that the selective PPARγ modulator GMG-43AC may inhibit unwanted hairgrowth by inducing catagen phase while preserving hair follicle epithelial progenitor cells, suggesting potential in anti-hirsutism therapy.
This review examines the anti-alopecia effects of plant-derived phytochemicals and their mechanisms for promoting hairgrowth, but it reports no new clinical findings.
This chapter reviews the potential applications of genetic engineering in hairgrowth research and development but provides no new experimental results, emphasizing the need for innovative approaches in the field.
Rubedo Life Sciences is developing a GPX4 modulator, RLS-1496, for hair loss treatment, showing promising hair follicle growth in early tests. Concerns include potential side effects like organ damage, with a realistic market release several years away.
The conversation discusses whether sunlight exposure affects hairgrowth or loss, with mixed anecdotes and theories but no clear consensus. Some suggest moderate sunlight can benefit hair by providing vitamin D, while others doubt its effectiveness compared to treatments like Minoxidil or finasteride.
Various hairgrowth treatments were discussed, including microneedling, bimatoprost, setipiprant, stemoxydine, PGE2, CB-03-01, WNT Beta-Catenin upregulators, KY19382, topical estrogen, IGF-1, GH, MK-677, oral castor oil, fisetin, resveratrol, cetrizine, and lactic acid. Users shared experiences and sources for these treatments, with some expressing interest in topical solutions and others noting the lack of FDA approval or scientific evidence for certain options.
Finasteride and dutasteride can cause psychiatric side effects like depression and suicidal thoughts in some users, especially those with a history of mental health issues. While some users experience positive hairgrowth results, others face severe psychological effects, raising concerns about their safety and the need for careful monitoring.
Coffee may negatively impact hair health due to its vasoconstrictor effects, potential to increase DHT, and interference with nutrient absorption. There is no strong clinical evidence linking caffeine to hair loss or regrowth in humans, but moderation is advised.
Does caffeine stimulate hairgrowth or only slow hair loss?Caffeine stimulates hair follicles in laboratory cultures, and one open-label trial in 210 men found a 0.2% caffeine topical non-inferior to minoxidil 5% on an anagen-ratio endpoint; there is no placebo-controlled evidence that it regrows hair, and none at all in alopecia areata or telogen effluvium.