January 2026 in “Journal of Radiation Research” 53BP1 focus analysis in hair cells can help estimate radiation doses.
February 2025 in “Biomolecules” Melatonin can help or hinder hair growth depending on the dose.
January 2023 in “Journal of cosmetic dermatology” The synthetic retinoid EC23 thickens skin and promotes hair growth more effectively and with a lower dose than natural retinoids.
33 citations
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January 2016 in “Indian Journal of Dermatology, Venereology and Leprology” Taking 1 mg of finasteride daily can increase hair count and improve hair appearance, but it may have side effects on sexual function and a potential risk of prostate cancer. It may not be effective for postmenopausal women unless taken in higher doses.
6 citations
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July 2022 in “World journal of stem cells” Using extracellular vesicles from stem cells can help hair grow by affecting scalp cells and hair follicles.
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January 2025 in “CPT Pharmacometrics & Systems Pharmacology” Ritlecitinib effectively regrows eyebrow and eyelash hair in alopecia areata, with 50 mg being the best dose.
November 2025 in “Cosmetics” POLEVAN® improves hair shine, moisturizes the scalp, and maintains foam quality in shampoos.
May 2025 in “Frontiers in Bioengineering and Biotechnology” EX104 shows promise in treating hair loss by promoting hair growth and improving scalp health.
June 2023 in “Journal of Cosmetic Dermatology” Finasteride 5mg daily is the most effective for female pattern hair loss, with higher doses of treatments generally more effective.
Some medications, including retinoids, antifungals, and psychotropic drugs, can cause reversible hair loss if stopped or doses are reduced.