March 2026 in “FEBS Open Bio” This study found that 5-aminolevulinic acid combined with ferric ammonium citrate stimulated hair follicle growth and induced hair-like structures in human hair follicle models, suggesting its potential as a treatment for hair loss.
22 citations
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November 2008 in “International Journal of Dermatology” This study suggests that a mixture of 5‐ALA and iron ion significantly improved hair growth in mice, comparable to minoxidil, without promoting keratinocyte or fibroblast proliferation in vitro.
8 citations
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January 2016 in “Annals of Dermatology” This study found that the ALAVAX complex, containing 5-ALA and GHK peptide, may increase hair count in male pattern hair loss patients over 6 months without adverse events.
4 citations
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February 2025 in “Molecular Medicine” In this study, ALA-PDT significantly reduced lipogenesis in an acne-like model by upregulating OLR1 and suppressing lipid accumulation, highlighting a potential therapeutic target.
2 citations
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August 2021 in “Photodiagnosis and Photodynamic Therapy” In this study, 5-aminolevulinic acid photodynamic therapy did not improve hair growth in patients with androgenetic alopecia but was safe and slightly reduced scalp sebum secretion.