August 2022 in “Clinical and Experimental Dermatology” Amino acid supplements may not be necessary for all women with chronic hair loss.
12 citations
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October 1999 in “Journal of The American Academy of Dermatology” 
3 citations
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November 2019 in “Cosmetics” Shampoo with Inula Helenium and Caesalpinia Sappan Bark extracts promotes hair growth and prevents hair loss in androgenetic alopecia patients.
December 2013 in “대한피부미용학회지” Wheat sprout extract (fr. 5) promotes hair growth similar to minoxidil.
December 2024 in “International Journal of Advanced Research in Science Communication and Technology” The herbal hair tonic is safe, effective for hair growth, and treats scalp issues.
1 citations
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February 2022 in “Biological Trace Element Research” The combination of Arginine Silicate Inositol Complex and a new form of Biotin improved hair and nail growth in rats.
GV-350 improves hair growth and quality of life in iron-deficient women without side effects.
26 citations
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July 2006 in “International Journal of Cosmetic Science” Taurine helps protect and promote hair growth.
September 2023 in “Journal of the American Academy of Dermatology” Sunscreen use is linked to frontal fibrosing alopecia, especially in males.
January 2024 in “International Journal of Trichology” Human platelet-rich plasma is better than fetal bovine serum for growing cells that help hair regrow.