December 2025 in “PubMed” This study suggests that low molecular weight fish collagen peptide may promote hair follicle growth and regeneration, improving overall hair quality in mouse models.
October 2022 in “International Journal of Molecular Sciences” This study found that collagen peptides from Mozambique tilapia significantly promoted hair regrowth and increased the proliferation of hair growth factors in vitro and in vivo, suggesting potential as supplements for hair loss prevention.
56 citations
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June 2002 in “Biomaterials” This study found that controlled release of VEGF via a collagen hydrogel promoted hair follicle growth and cell proliferation in mice more effectively than free VEGF injections.
30 citations
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March 2008 in “Wound Repair and Regeneration” This study found that estrogen affected cell behaviors differently in a scratch-wound assay, increasing VEGF secretion in follicular dermal papilla cells but decreasing it in wounded dermal sheath cells.
27 citations
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September 2015 in “Drug Design Development and Therapy” This study suggests that type IV collagenases, MMP-2 and MMP-9, play important roles in the hair cycle by regulating the expression of VEGF, IGF-1, and TGF-β in mice.