February 2021 in “Dermatologic Therapy” Injections improve hair growth, density, and thickness in women safely.
30 citations
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December 2017 in “Clinical, Cosmetic and Investigational Dermatology” Parietal scalp area has lower hair density and smaller hair diameter in women with hair loss.
March 2014 in “Medicina cutánea ibero-latino-americana” Melatonin applied to the scalp helps increase hair density in people with early hair loss.
November 2025 in “Frontiers in Pharmacology” Botanical treatments like saw palmetto, rosemary oil, and ginseng may help reduce hair loss in menopausal women.
41 citations
,
December 2008 in “International Journal of Dermatology” South Korean women with hair loss have lower hair density and thickness compared to healthy women.
4 citations
,
October 2020 in “Animal Bioscience” Using cans with beans improves Rex rabbits' growth, meat quality, and hair follicle density.
39 citations
,
April 1992 in “Development” Both cell and non-cell parts are important for rat whisker follicle regrowth.
April 2025 in “Ukrainian Journal of Veterinary and Agricultural Sciences” Adding a water-soluble fatty acid complex to sheep diets improves wool growth by increasing primary hair follicle size and density.
7 citations
,
June 2015 in “The anatomical record” Hexi cashmere goats' hair growth varies by stage, with Hoxc13 linked to hair activity.
7 citations
,
June 2020 in “Experimental dermatology” Researchers found that certain lipids, especially vitamin D3, are lower in prematurely grey hair than in pigmented hair.
16 citations
,
February 2010 in “Journal of the European Academy of Dermatology and Venereology” Fibrosing alopecia in a pattern distribution is a unique hair loss condition that may respond to antiandrogen therapy.
9 citations
,
January 2018 in “Hair transplant forum international” Researchers concluded that safe hair follicle extraction limits in FUE vary by individual characteristics and proposed a method to calculate these limits to maintain appearance.
68 citations
,
May 2012 in “Annals of Oncology” Some breast cancer chemotherapy can cause permanent hair loss.
42 citations
,
June 2019 in “Aging” 3,4,5-tri-O-caffeoylquinic acid promotes hair growth by activating the β-catenin pathway.
4 citations
,
January 2019 in “International journal of molecular sciences” Genetically modified sheep with more β-catenin grew more wool without changing the wool's length or thickness.
Plasma-activated water heals diabetic wounds better than other treatments.
May 2025 in “International Journal of Molecular Sciences” DHHB from Platycladus orientalis L. promotes hair growth and could be a natural alternative to current treatments.
23 citations
,
July 2012 in “Calcified Tissue International” A single injection of PTH–CBD can increase bone density for up to a year.
5 citations
,
May 2024 in “Developmental Cell” Lower GATA3 levels in mice help hair regrow by changing certain immune cells.
April 2017 in “Journal of Investigative Dermatology” Eating a lot of fat increases PKCβ and inflammation in skin fat cells, which affects skin and hair health.
14 citations
,
April 2016 in “British Journal of Dermatology” The study found that the most common repigmentation pattern in children with vitiligo is a combination of patterns, with a new medium spotted pattern identified.
131 citations
,
March 2004 in “The American journal of pathology” Modulating BMP activity changes the number, size, shape, and type of ectodermal organs.
82 citations
,
January 2002 in “Journal of drug targeting” Drugs penetrate scalp skin better than abdominal skin, with scalp hair follicles aiding in higher drug delivery.
16 citations
,
August 2014 in “Colloids and surfaces. B, Biointerfaces” Lipid-coated silica nanoparticles penetrate human skin more deeply than bare silica nanoparticles.
5 citations
,
April 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” Aging skin shows thinner layers, fewer hair follicles, and new biomarkers like increased space between cells and smaller sebaceous glands.
February 2026 in “Scientific Reports” The model effectively mimics radiation-induced skin damage for future research.
Higher cannabis use may be linked to more severe hair loss.
December 2023 in “Journal of Food Science and Nutrition” Rosehip Seed Oil may help hair grow by activating important growth pathways and increasing hair follicle size in mice.
Optical Coherence Tomography has potential in diagnosing hair loss and monitoring blood clotting, and could be improved for deeper tissue observation and better hair loss understanding.
October 2017 in “Anesthesia and Pain Medicine” Repeated left stellate ganglion blocks may improve skin elasticity, water content, and hair follicle density on the treated side.