November 2025 in “Journal of Clinical Medicine” Topical tretinoin effectively treats acne and photoaging, with potential for other skin conditions, but more research is needed.
October 2024 in “Asian Journal of Pharmaceutical and Clinical Research” Topical methotrexate is more effective and as safe as betamethasone for treating alopecia areata.
73 citations
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October 1986 in “Journal of the American Academy of Dermatology” Tretinoin may help hair growth and works better when combined with minoxidil.
43 citations
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January 2007 in “American Journal of Clinical Dermatology” Combined minoxidil and tretinoin solution works as well as regular minoxidil for male hair loss.
41 citations
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January 2007 in “Journal of Korean Medical Science” Minoxidil and ATRA together boost hair growth more effectively than minoxidil alone.