January 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Collagen supplements may improve skin and joint health but have inconsistent effects on blood sugar and heart health.
4 citations
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January 2015 in “Sen'i Gakkaishi” Hair and wool strength is affected by the number and type of bonds in their protein structures, with hair having more protein aggregates than wool.
November 2025 in “Quality in Sport” Collagen supplements improve skin, hair, and nails, especially with vitamin C and minerals.
March 2016 in “Institutional Repositories DataBase (IRDB)” Collagen peptides may promote hair growth by activating certain genes in the skin.
July 2025 in “Journal of Investigative Dermatology” Collagen scaffolds in cell therapy can transform skin to be more resilient and pressure-responsive.
26 citations
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January 2015 in “PubMed” Collagenase IV helps control hair growth by affecting certain growth factors.
42 citations
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February 2000 in “Journal of Investigative Dermatology” Type VII collagen absence helps skin development by allowing tissue remodeling.
5 citations
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January 2012 in “Journal of Tissue Science & Engineering” Collagen membranes improve melanocyte growth for treating skin depigmentation.
9 citations
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January 1966
July 2024 in “Journal of Cosmetic Dermatology” Vegan collagen builder improves hair growth, skin smoothness, and reduces wrinkles and pain.
18 citations
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January 2000 in “Journal of Adhesion Science and Technology” Modified artificial hair with collagen improves tissue adhesion and is safe for long-term use.
6 citations
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January 2018 in “Advances in experimental medicine and biology” 34 citations
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September 2020 in “Clinical, cosmetic and investigational dermatology” Hyaluronic acid increases collagen synthesis safely, while poly-L-lactic acid may cause complications by affecting fibroblasts.
January 2017 in “OPAL (Open@LaTrobe) (La Trobe University)” Collagen peptides may boost skin and hair-related gene expression.
Collagen peptides may boost skin and hair-related gene expression.
12 citations
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January 1995 in “British Journal of Plastic Surgery” 70 citations
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December 1968 in “Journal of Investigative Dermatology”
16 citations
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February 2007 in “Plastic and Reconstructive Surgery” Keratinocytes show more TGF-β system activity and collagen production as they age, which might affect wound scarring.
Collagen peptides may help maintain hair growth and could be beneficial for hair loss conditions.
November 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” DAB labeling effectively identifies collagen type III and PDGFR in horse skin, but may show false positives.
June 1999 in “Connective tissue”
January 2026 in “International Journal of Peptide Research and Therapeutics” Collagen supplements improve hair health and are safe.
24 citations
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June 2003 in “Journal of Structural Biology” Sheet formation is key to macrofibril structure differences in wool.
January 2005 in “Medical Entomology and Zoology” The reinforced collagen sponge helps grow normal hair in mice.
September 2022 in “PubMed” Collagen type XVII α1 decreases with age, leading to skin aging, but targeting microRNA-203b-3p may help maintain its levels and improve skin health.
1235 citations
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December 2013 in “Nature” Two fibroblast types shape skin structure and repair differently.
April 2024 in “UNESP Institutional Repository (São Paulo State University)” Alpaca skin has glands, hair follicles, and different collagen types.
2 citations
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September 2010 in “Journal of the Korea Academia-Industrial cooperation Society” Using 2% collagen in perms reduces hair damage while keeping curls.
32 citations
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May 2015 in “Journal of Investigative Dermatology” Mice without collagen VI have slower hair growth normally but faster regrowth after injury.
December 2024 in “Macromolecular Bioscience” The new collagen template speeds up production and supports skin healing without harmful reactions.