58 citations
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January 2006 in “Skin Pharmacology and Physiology” High levels of testosterone and 5α-DHT can lead to cell death in cells important for hair growth.
47 citations
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July 2014 in “European Journal of Pharmaceutics and Biopharmaceutics” Scientists created a gel with nanoparticles to deliver medicine to hair follicles effectively.
27 citations
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September 1999 in “Journal of Investigative Dermatology” Human skin cells contain Protease Nexin-1, and male hormones can decrease its levels, potentially affecting hair growth.
17 citations
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July 2018 in “International Journal of Cosmetic Science” Keratin-based particles safely improve hair strength, smoothness, and heat protection.
17 citations
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May 2018 in “PeerJ” VB-1, a natural compound, may promote hair growth by enhancing a key cell growth pathway.
10 citations
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December 2021 in “Frontiers in cell and developmental biology” Glypican-1 is important for blood vessel growth in hair follicles and could help treat hair loss.
3 citations
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August 2022 in “Molecules/Molecules online/Molecules annual” A new strain of bacteria from the human skin can help prevent hair loss.
2 citations
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May 2023 in “Plants” Allium hookeri extract may help promote hair growth and protect cells from damage.
1 citations
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January 2008 Topical iodine can help regenerate human scar tissue quickly.
April 2026 in “Experimental & Molecular Medicine” Mouse and human skin development share similar fibroblast timelines.
January 2025 in “Cosmetics” Astragalus sinicus extracts may help promote hair growth and treat hair loss.
7 citations
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January 2021 in “Evidence-based complementary and alternative medicine” Porphyra-334 may help reduce wrinkles and promote hair growth.
253 citations
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March 1994 in “Developmental dynamics” Apoptosis is essential for human skin development and forming a functional epidermis.
91 citations
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March 2011 in “Stem Cell Reviews and Reports” Human epidermal neural crest stem cells can become bone and skin pigment cells, making them useful for therapies.
64 citations
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January 2013 in “The journal of investigative dermatology/Journal of investigative dermatology” Human stem cells can help form hair follicles in mice.
53 citations
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June 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” KAP genes show significant genetic variability, but its impact on hair traits is unclear.
41 citations
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June 2006 in “Journal of Investigative Dermatology” Beard and scalp hair cells have different gene expressions, which may affect beard growth characteristics.
24 citations
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January 1989 Human papilla cells from hair follicles show unique growth behaviors but don't induce hair growth in vitro.
14 citations
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April 2021 in “International journal of molecular sciences” Mesenchymal stem cells may help treat hair loss by improving hair cell growth and reducing inflammation.
8 citations
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October 2018 in “Applied sciences” Alginate spheres help maintain hair growth potential in human cells for hair loss treatment.
7 citations
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December 2016 in “Journal of The Taiwan Institute of Chemical Engineers” Pig blood plasma can be used to promote human hair growth and is a good alternative to the commonly used serum additive.
6 citations
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September 2019 in “Skin pharmacology and physiology” RCS-01 therapy is safe and may improve skin structure by affecting gene expression.
3 citations
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February 2023 in “ACS omega” Grape seed oil improved hair quality the most, followed by rosehip and safflower seed oils, and reduced damage from shampoo.
1 citations
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January 2024 in “Food Science and Technology Research” Strawberry water-extract may boost hair cell metabolism.
1 citations
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June 2014 in “[Thesis]. Manchester, UK: The University of Manchester; 2014.” Chemical modifications can alter hair's stability and flexibility, with hydrophobic interactions helping maintain structure in humid conditions.
June 2026 in “Applied Biological Chemistry” The M5 method is best for isolating cells that help hair growth.
April 2026 in “International Journal of Molecular Sciences” Ageratum houstonianum extract and agerarin may help hair growth.
February 2026 in “International Journal of Molecular Sciences” 3-Hydroxypropionic acid may help treat hair loss by promoting hair growth in cells.
December 2025 in “Neurobiology of Stress” People who recently attempted suicide during depression showed signs of adrenal fatigue, but had higher DHEA levels around the attempt time.
January 2025 in “International Journal of Cosmetic Science” Citric acid strengthens and improves damaged hair.