December 2025 in “Russian Journal of Skin and Venereal Diseases” Hair follicles are thinner in alopecia patients, especially in alopecia areata.
August 2013 in “International Wound Journal” Non-hairy skin cells might be used to regenerate hair, helping with baldness and skin wounds.
16 citations
,
November 2022 in “eLife” Both gene and non-gene areas of DNA evolved to make some mammals hairless.
10 citations
,
January 2013 in “International Journal of Trichology” More vellus hairs in frontal scalp indicate early female pattern hair loss.
August 2024 in “Biophysics Reviews” Mammal hairs have different internal structures.
2 citations
,
January 2002 in “Zhiwu Yanjiu” Capitate trichomes have more endoplasmic reticulum and vacuoles, while peltate trichomes have more plastids and larger subcuticular spaces.
January 2010 in “Journal of Yangzhou University” Sulfated fucans promote hair growth in mice by speeding up the growth phase and delaying the rest phase.
13 citations
,
July 2019 in “PLoS ONE” Deleting podoplanin in mice promotes hair growth by enhancing cell migration.
January 2026 in “International Journal of Dermatology” APKH in young males may signal early hair loss and needs early attention.
16 citations
,
July 2018 in “Experimental Dermatology” Removing Gata6 causes hair follicle and sebaceous duct enlargement.
July 1993 in “Journal of Radioanalytical and Nuclear Chemistry” Mouse hair element patterns vary, making it unreliable for tracking time.
12 citations
,
March 2021 in “Journal of Investigative Dermatology” TRPM5 is crucial for maintaining hair growth.
15 citations
,
January 1988 Hair follicles have unique proteins that vary by species and are influenced by nutrition.
April 2016 in “Journal of Investigative Dermatology” Wnt ligands, produced by dermal papilla cells, are essential for adult hair growth and regeneration.
April 2017 in “Journal of Dermatological Science” Asymmetric hair follicle differentiation causes the unique shape of kinky hair.
January 2008 in “Annals of Nutrition and Metabolism” Parthenolide promotes hair growth in mice and may influence pathways related to male pattern baldness.
19 citations
,
March 2013 in “Biology Letters” Early tetrapod keratins evolved into toe pad proteins in amphibians and hair proteins in mammals.
24 citations
,
January 1989 Human papilla cells from hair follicles show unique growth behaviors but don't induce hair growth in vitro.
March 2020 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” The dermal sheath's contraction is crucial for hair follicle regression and stem cell relocation.
March 2026 in “Journal of Skin and Sexually Transmitted Diseases” Long hair can cause hair loss in the middle of the scalp, and cutting it shorter helps.
33 citations
,
January 2002 Latanoprost, a glaucoma drug, showed potential for promoting hair growth in bald monkeys, especially at higher doses.
19 citations
,
January 1997 in “Endocrinology” Testosterone can slow hair growth in adult monkeys, but a blocker called RU 58841 can counteract this and potentially help hair regrow.
38 citations
,
January 1988 56 citations
,
June 2010 in “Clinical and experimental dermatology” Coudability hairs are useful markers for alopecia areata activity.
13 citations
,
August 1995 in “Australasian Journal of Dermatology” Hair follicles are smaller in people with androgenetic alopecia compared to those with normal scalps.
July 2016 in “Indian journal of science and technology” Neonate scalp hair is thinner, lacks a medulla, and has smaller follicles compared to adult hair.
40 citations
,
June 2013 in “Biomaterials” Scientists created 3D hair-like structures that could help study hair growth and test treatments.
29 citations
,
February 2019 in “Pediatric dermatology” Trichotillomania shows specific signs like black dots and uneven hair lengths but lacks certain features of alopecia areata.
January 2009 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Curved human hair has different structures on each side, which might cause its shape and is similar to wool.
25 citations
,
April 2008 in “Archives of Dermatological Research” Encapsulated human hair cells can substitute for natural hair cells to grow hair.