Polyglutamic acid is a valuable, sustainable ingredient for skincare and haircare products.
9 citations
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March 2015 in “Journal of Microbiology and Biotechnology” Ultra-high molecular weight poly-γ-glutamic acid may help promote hair growth.
7 citations
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July 2019 in “International Journal of Molecular Sciences” PGA-4HGF may help treat hair loss by activating hair growth pathways and extending the hair growth phase.
12 citations
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June 2022 in “International Journal of Molecular Sciences” Copper boosts cell growth in rabbit hair follicles.
3 citations
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November 2022 in “Molecules/Molecules online/Molecules annual” The substances improved hair regrowth and protected hair cells in humans and mice.