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.
June 2021 in “Journal of Cosmetic Dermatology” Laser treatment shows promise for hair growth, but needs further research.
12 citations
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September 2023 in “Polymers” The hydrogel speeds up skin wound healing effectively.
January 2025 in “Dermatologic Therapy” Combining fractional CO2 laser with type III collagen improves acne scar treatment.
15 citations
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October 1999 in “British Journal of Dermatology” Collagen remodeling is more active during hair growth stages.
June 2025 in “Materials Today Bio” A silk fibroin hydrogel boosts wound healing and hair growth by increasing collagen and hair follicles.
June 2024 in “Synthetic and systems biotechnology” A fragment of human type XVII collagen shows great potential for skin health and wound healing.
6 citations
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March 2023 in “Materials” The GNP crosslinked scaffold with antibacterial coating is effective for rapid wound healing and infection prevention.
124 citations
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July 2017 in “eLife” Type XVII collagen helps control skin cell growth and could be a target for anti-aging treatments.
Recombinant type XVII collagen may help regrow hair by activating specific cell pathways.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Increasing type 17 collagen reduces aging signs in skin cells caused by UV light.
September 2001 in “Connective tissue” Type XII and XIV collagens help maintain hair follicle structure in bovine skin.
10 citations
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January 2001 in “PubMed” Laminin, type IV collagen, and fibronectin help develop skin and hair structures in embryos.
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.
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.
24 citations
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September 2024 in “Journal of Investigative Dermatology” 
11 citations
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June 2019 in “Tissue & Cell” Hair stem cells produce a protein called COL17A1 that plays a key role in their development and is linked to hair thinning and baldness.
11 citations
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June 1994 in “Journal of Investigative Dermatology” 8 citations
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February 2020 in “Journal of Drug Delivery Science and Technology” Encapsulating chlorogenic acid in nanoparticles boosts type 17 collagen production, potentially aiding skin care.
7 citations
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December 1991 in “Annals of the New York Academy of Sciences” Dermal papillae are crucial for hair growth and maintenance.
April 2026 in “Frontiers in Cell and Developmental Biology” Exosomes from stem cells can rejuvenate the scalp and improve hair growth.
Type XVII collagen helps control skin cell growth and rejuvenates skin.
Type XVII collagen helps control skin cell growth and may have anti-aging effects.
Type XVII collagen may help prevent skin aging.
28 citations
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October 1984 in “Journal of Investigative Dermatology” May 2025 in “International Journal of Biological Macromolecules” A new microneedle treatment shows promise for better hair regrowth in androgenetic alopecia.
June 1999 in “Connective tissue” July 1995 in “Journal of Dermatological Science” 11 citations
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August 1995 in “Journal of Investigative Dermatology” 56 citations
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October 2007 in “Journal of Biological Chemistry” Cathepsin L is essential for heart health and its absence causes heart problems and hair loss.