East and Southeast Asians typically have less dense but thicker, straight black hair.
GPC1 is important for blood vessel growth in hair follicles and could help treat hair loss.
227 citations
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January 1998 in “Journal of Endocrinology” Cells from balding scalps have more androgen receptors than cells from non-balding scalps.
February 2024 in “International Journal of Biological Macromolecules” The study created a new type of microsphere that effectively regrows hair.
25 citations
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January 2019 in “British Journal of Dermatology” Low oxygen levels can make hair-growing cells better at growing hair through a process involving reactive oxygen species.
May 2026 in “Revista Iluminart” Coffee bomb shampoo has more caffeine after 7 days than commercial products.
6 citations
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May 2021 in “Aesthetic Surgery Journal” Higher cell number PRP improves hair density and diameter more than lower cell number PRP.
April 2026 in “International Journal of Biological Macromolecules” 7 citations
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January 2013 in “Supportive care in cancer” Hair mass index is a precise way to measure hair loss in chemotherapy patients.
July 2022 in “Journal of Investigative Dermatology” The new minoxidil hydrogel is a promising alternative for hair loss treatment, with similar effectiveness and less skin irritation.
Liposomes with minoxidil and PEP penetrate skin slowly but reach deeper layers than foam.
October 2021 in “Interfaces Científicas” Nutricosmetics for hair treatment often contain biotin, pyridoxine, zinc, and other nutrients, but more research and professional guidance are needed for their use.
December 2016 in “RepositóriUM (Universidade do Minho)” Simulations of hair keratin help improve disease treatment and cosmetic products.
May 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” KAP-depleted hair causes less immune response and is more biocompatible for implants.
June 2024 in “British Journal of Dermatology” PRP with topical minoxidil is the most effective treatment for increasing hair density in androgenetic alopecia.
February 2015 in “Dermatologic Surgery” Smaller reticle sizes are as accurate as the standard size for measuring hair density in hair restoration.
Treating hair with 1M sodium hydroxide increases its friction, making it better for small medical knots.
10 citations
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June 2013 in “International Journal for Vitamin and Nutrition Research” High hair calcium levels are linked to low calcium intake and low bone density.
2 citations
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January 2009 in “Journal of Drug Delivery Science and Technology” Minoxidil in distearyldimethylammonium chloride vesicles significantly promotes hair growth, while minoxidil in microparticles or poloxamer solutions doesn't.
January 2024 in “Biomaterials Research” The new 3D system helps test hair growth treatments effectively.
April 2023 in “Journal of Investigative Dermatology” Hair growth is driven by cells that move and change like a conveyor belt.
4 citations
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March 2008 in “Korean Journal of Chemical Engineering” Mesenchymal cells can significantly boost human hair growth and longevity.
122 citations
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April 2011 in “European Journal of Pharmaceutics and Biopharmaceutics” Particles around 100 nm can penetrate and stay in hair follicles without passing through healthy skin, making them safe for use in topical products and useful for targeted drug delivery.
1 citations
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March 2014 in “TURKDERM” Hair follicle stem cells are crucial for hair growth and regeneration.
3 citations
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July 2019 in “Fibers And Polymers/Fibers and polymers” 107 citations
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October 2014 in “PeerJ” Hair's molecular structure is mostly consistent, but genetic differences affect lipid types, which could help diagnose diseases.
1 citations
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December 2022 in “Pharmaceutics” Finasteride-loaded microemulsions can effectively enhance skin delivery for treating hair loss.
4 citations
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January 2018 in “Advances in Experimental Medicine and Biology” The document concludes that hair follicles have a complex environment and our understanding of it is growing, but there are limitations when applying animal study findings to humans.
Lipid carriers improve delivery of hair loss treatments to follicles.
January 2022 in “DOAJ (DOAJ: Directory of Open Access Journals)” Argan oil-based nano carriers could potentially deliver caffeine to hair follicles to treat hair loss.