1 citations
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July 2022 in “Clinical and Experimental Dermatology” This study suggests that arginine and cysteine deficiency is not present in women with chronic telogen effluvium, indicating that amino acid supplementation may be unnecessary in nutrient-replete populations.
August 2022 in “Clinical and Experimental Dermatology” This study found that serum cysteine levels were not lower in patients with chronic telogen effluvium and did not correlate with hair loss severity.
29 citations
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July 1996 in “Acta Paediatrica” This study found that an 11-month-old Japanese infant developed biotin deficiency while on a Japanese amino acid formula without biotin, which was resolved with biotin supplementation.
43 citations
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April 2005 in “The Journal of Dermatology” This case report describes a 5-month-old Japanese infant with biotin deficiency, where daily oral biotin supplementation led to significant improvements in skin conditions and hair growth.
January 2023 in “Italian journal of dermatology and venereology” This study found that a new oral supplement with sulfurated amino acids and trace elements effectively improved hair growth and reduced hair loss in women with telogen effluvium and mild to moderate androgenetic alopecia.