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.
119 citations
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November 1969 in “Journal of Ultrastructure Research” Macrophages help break down collagen around hair follicles during hair growth.
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.
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.
3 citations
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November 2020 in “Planta medica international open” Plant-made bFGF helps cells grow and boosts collagen.
2 citations
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August 2023 in “Marine drugs” Collagen from tilapia scales may improve hair and skin health by reducing stress and inflammation and encouraging hair growth.
November 2025 in “Archives of Dermatological Research” Limelight (CB-EVs) safely promotes hair growth.
September 2023 in “Journal of microbiology and biotechnology” A type of collagen helps hair grow by boosting cell growth and activating a specific hair growth pathway.
January 2020 in “Majalah Kedokteran Gigi Indonesia” Freeze-drying collagen-activated PRP increases TGF-β1 levels, enhancing tissue regeneration potential.
March 2012 in “Daehan hwajangpum hakoeji/Daehan hwa'jangpum haghoeji” The cream with plant components increased skin collagen and the hair tonic promoted hair growth in mice.
January 2005 in “China Surfactant Detergent & Cosmetics” Black mud boosts collagen, enhances hair growth, and smoothness in mice.
January 1994 in “Nihon Chikusan Gakkaiho” Collagen fibrils in mink skin change structure during hair growth, becoming looser and thicker in the active phase.
October 2022 in “International Journal of Molecular Sciences” Fish collagen peptides can significantly promote hair growth.
1 citations
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November 2022 in “Experimental cell research” Prostaglandin E2 collagen matrix may help stimulate hair growth.
Recombinant type XVII collagen may help regrow hair by activating specific cell pathways.
45 citations
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August 1992 in “PubMed” The rat vibrissa follicle can quickly remodel its basement membrane during hair growth, affecting cell signaling and activity.
3 citations
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January 2014 Collagen XVIII and Bmx tyrosine kinase are important for hair growth and skin cancer development.
June 2025 in “Frontiers in Bioengineering and Biotechnology” Recombinant collagen with nicotinamide boosts hair growth and health.
9 citations
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March 2019 in “Molecular & cellular proteomics” Reductive stress messes up collagen balance and alters cell signaling in human skin cells, which could help treat certain skin diseases.
1 citations
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January 1992 in “The Nishinihon Journal of Dermatology” Minoxidil sulfate did not enhance hair growth or cell proliferation at tested levels.
January 2024 in “Archives of Biological Sciences (Beograd)” AP collagen peptides may help hair grow better and become stronger.
8 citations
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April 2014 in “Anti-Cancer Drugs” A hormone linked to collagen helps hair grow back in mice after chemotherapy, and may also prevent bone loss.
July 2024 in “Experimental Dermatology” AP collagen peptides help hair grow and improve hair health.
1 citations
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March 1998 in “Journal of Dermatological Science” June 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” The RHC complex with nicotinamide promotes hair growth and health.
April 2024 in “Journal of microbiology and biotechnology”
The PTH-CBD injection improved hair regrowth better than the daily ruxolitinib pill in mice.
June 1999 in “Connective tissue”
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” A PTH-based treatment improved hair regrowth better than ruxolitinib in a mouse model of hair loss.
397 citations
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February 2004 in “British Journal of Dermatology” Minoxidil boosts hair growth by opening potassium channels and increasing cell activity.