22 citations,
November 2008 in “International Journal of Dermatology” A mix of 5-aminolevulinic acid and iron ion can speed up hair growth.
8 citations,
January 2016 in “Annals of Dermatology” A complex of 5-aminolevulinic acid and glycyl-histidyl-lysine peptide may help increase hair count in male pattern hair loss without side effects.
2 citations,
August 2021 in “Photodiagnosis and Photodynamic Therapy” Using 5-aminolevulinic acid photodynamic therapy for hair loss didn't increase hair growth but slightly reduced scalp oiliness, and it was safe with mild side effects.
April 2021 in “Animal Bioscience” 5-Aminolevulinic acid can help chicken sperm move better at the right amount.
27 citations,
May 2010 in “Dermatologic surgery” Photodynamic therapy with methyl 5-aminolevulinic acid is ineffective for treating alopecia totalis.