44 citations
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October 2011 in “Gynecological Endocrinology” Menopause significantly reduces skin collagen, leading to thinner, less elastic skin, and hormone replacement may help but requires careful consideration.
January 2003 in “Jiepouxue zazhi” HHK can help restore skin structure.
January 2025 in “Regenerative Biomaterials” A dissolving microneedle patch with collagen XVII effectively promotes hair regrowth in androgenic alopecia.
September 2021 in “Zenodo (CERN European Organization for Nuclear Research)” 12 citations
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January 1995 in “British Journal of Plastic Surgery” 27 citations
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September 2015 in “Drug Design Development and Therapy” Collagenase IV is crucial for hair growth by affecting key growth factors.
15 citations
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August 2013 in “Stem Cells and Development” The method increases stem-like cells for better skin regeneration.
January 2020 in “Majalah Kedokteran Gigi Indonesia” Freeze-drying collagen-activated PRP increases TGF-β1 levels, enhancing tissue regeneration potential.
27 citations
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July 2013 in “Journal of Investigative Dermatology” Revertant cell therapy shows promise for treating type XVII collagen deficiency, but better cell selection methods are needed.
14 citations
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January 2020 in “Evidence-based Complementary and Alternative Medicine” A peptide from fermented Trapa japonica fruit may help reduce skin aging.
3 citations
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January 2022 in “Burns & Trauma” CTHRC1 helps sweat glands recover by rebuilding nearby blood vessels.
July 2024 in “Experimental Dermatology” AP collagen peptides help hair grow and improve hair health.
119 citations
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November 1969 in “Journal of Ultrastructure Research” Macrophages help break down collagen around hair follicles during hair growth.
4 citations
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July 2024 in “Cureus” The treatment improved neck wrinkles and skin laxity.
22 citations
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May 2004 in “Tissue Engineering” PGA fiber-reinforced collagen sponges improve hair growth and skin structure.
June 2023 in “Skin Research and Technology” The supplement with amino acids, iron, selenium, and marine hydrolyzed collagen improved hair growth more than drug treatment alone, with most people tolerating it well.
9 citations
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August 2024 in “Tissue Engineering and Regenerative Medicine” Collagen-heparin-FGF2-VEGF scaffolds can improve skin healing.
5 citations
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January 1979 in “Archives of Dermatological Research”
4 citations
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December 2010 in “Copernican Letters” Synthetic polypeptides in cosmetics may help with anti-aging, but their effectiveness on real skin is uncertain.
January 2025 in “Scripta Medica” PDO, PLLA, and PCL threads increase collagen in ageing skin but don't change MMP1 gene expression.
3 citations
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July 1990 in “PubMed” Human hair follicles can grow and form structures in a collagen gel, useful for studying hair cell growth.
March 2026 in “Cosmetics” Type I collagen, elastin, keratin, ceramides, and melanin improve hair strength, growth, and health.
June 2025 in “Frontiers in Bioengineering and Biotechnology” Recombinant collagen with nicotinamide boosts hair growth and health.
76 citations
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May 2007 in “Menopause International” After menopause, women lose a lot of skin collagen, but estrogen replacement might improve skin health.
20 citations
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July 1987 in “Development Genes and Evolution”
109 citations
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December 2003 in “American Journal of Pathology” Fetal wound healing changes with development, affecting inflammation and collagen, which may influence scarring.
January 2005 in “Medical Entomology and Zoology” The reinforced collagen sponge helps grow normal hair in mice.
87 citations
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October 1987 in “Journal of Investigative Dermatology”
23 citations
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July 1996 in “Archives of Dermatological Research” bFGF, VEGF, and minoxidil decrease collagen production in hair cells, possibly affecting hair growth.
Regenerative cosmetics can improve skin and hair by reducing wrinkles, healing wounds, and promoting hair growth.