The 1550 nm fractional Er:Glass laser improved hair regrowth in patients with androgenic alopecia, but didn't significantly change collagen type I, skin fibroblasts, or macrophages. More research is needed for optimal results.
Hair bulb cells can create skin-like tissues for potential skin repair.
June 2021 in “Journal of Cosmetic Dermatology” Laser treatment shows promise for hair growth, but needs further research.
8 citations
,
November 2019 in “Tissue Engineering Part A” Functionalized collagen scaffolds applied prenatally greatly improve skin regeneration.
January 2006 in “Journal of Sun Yat-sen University” Engineered skin using stem cells and collagen sponge effectively healed and regenerated complex skin features in mice.
12 citations
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September 2023 in “Polymers” The hydrogel speeds up skin wound healing effectively.
59 citations
,
September 2011 in “Lasers in Medical Science” The 800-nm laser boosts skin collagen production, improving skin structure.
10 citations
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January 2024 in “Dermatology Research and Practice” Taking a collagen and vitamin C supplement improves skin and hair health.
10 citations
,
January 2001 in “PubMed” Laminin, type IV collagen, and fibronectin help develop skin and hair structures in embryos.
February 2024 in “Research Square (Research Square)” Strat-M® membrane can effectively replace mouse skin for testing collagen peptide delivery.
11 citations
,
January 1976 in “International Journal of Radiation Biology and Related Studies in Physics Chemistry and Medicine” X-irradiation reduces collagen in rat skin, causing delayed skin damage.
Ubiquitination of the insulin receptor regulates collagen secretion in human skin.
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.
6 citations
,
May 2023 in “International journal of molecular sciences” Collagen-enhanced mesenchymal stem cells significantly improve skin wound healing.
42 citations
,
February 2000 in “Journal of Investigative Dermatology” Type VII collagen absence helps skin development by allowing tissue remodeling.
23 citations
,
November 2021 in “Journal of Bionic Engineering” The new wound dressing helps skin heal faster and fights infection.
1 citations
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May 2024 in “Journal of Dermatological Science” Injecting specific cells into the skin can help improve skin structure and reduce blisters in a genetic skin disorder.
2 citations
,
August 2023 in “Marine drugs” Collagen from tilapia scales may improve hair and skin health by reducing stress and inflammation and encouraging hair growth.
April 2023 in “Journal of Investigative Dermatology” The new recombinant human collagen can help slow skin aging and repair skin, while also controlling inflammation.
January 2005 in “China Surfactant Detergent & Cosmetics” Black mud boosts collagen, enhances hair growth, and smoothness in mice.
5 citations
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November 2023 in “Journal of Investigative Dermatology” Microthermal wounds heal with less scarring due to delayed collagen production and minimal inflammation.
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.
22 citations
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June 1994 in “Journal of Investigative Dermatology” 
March 2016 in “Institutional Repositories DataBase (IRDB)” Collagen peptides may promote hair growth by activating certain genes in the skin.
July 1995 in “Journal of Dermatological Science” 
January 2025 in “Scripta Medica” PDO, PLLA, and PCL threads increase collagen in ageing skin but don't change MMP1 gene expression.
11 citations
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June 1994 in “Journal of Investigative Dermatology” 5 citations
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August 2011 in “Biotechnology and Bioprocess Engineering”