26 citations
,
December 1981 in “British journal of dermatology/British journal of dermatology, Supplement” Cyproterone acetate reduced hair growth in most hirsute females and made hair softer, thinner, and lighter.
September 1989 in “PubMed” The method allows detailed observation of hair tissue structures.
140 citations
,
December 1998 in “Journal of Investigative Dermatology” Apoptosis in hair follicles varies by growth phase, with TGF-β possibly starting the catagen phase.
1 citations
,
August 2015 in “PubMed” Human hair's strength comes from a honeycomb-like structure and macrofibrils.
63 citations
,
October 1972 in “British Journal of Dermatology” Women with thinning hair have thinner hair strands than women without hair loss.
January 2026 in “Indian Journal of Dermatopathology and Diagnostic Dermatology” Corkscrew hairs can help diagnose trichotillomania.
March 2009 in “Medical & surgical dermatology” Women with androgenetic alopecia have fewer terminal hairs, phenol in nail surgery is safe, and a new hair transplant method is faster and less damaging.
December 2025 in “Russian Journal of Skin and Venereal Diseases” Hair follicles are thinner in alopecia patients, especially in alopecia areata.
January 2010 in “Springer eBooks” Pubic hair transplantation can help women with little to no pubic hair, using scalp hair for a natural look and requires careful aftercare.
4 citations
,
January 2012 in “Springer eBooks” The document concludes that signs of male and female pattern baldness include uneven hair thickness, yellow spots, skin discoloration around hair follicles, more thin and soft hairs, and many hair follicles with just one hair.
28 citations
,
March 2014 in “Biological reviews/Biological reviews of the Cambridge Philosophical Society” The document concludes that hair curvature can be explained by the growth patterns caused by the shape and separation of cells in the hair follicle and is affected by specific molecular pathways.
16 citations
,
November 2022 in “eLife” Both gene and non-gene areas of DNA evolved to make some mammals hairless.
31 citations
,
September 1996 in “Differentiation” The upper dermal sheath can regenerate hair in rats.
96 citations
,
February 2002 in “Journal of the American Academy of Dermatology” Pseudofolliculitis barbae is a chronic skin condition affecting mainly African American and Hispanic individuals, caused by shaving tightly curled hair, and managed by prevention and treatment but not curable.
4 citations
,
July 2010 in “International Journal of Cosmetic Science” Curved human hair has different structures on its convex and concave sides.
20 citations
,
February 2012 in “Archives of dermatology” Leg hair transplants can create a natural-looking hairline and show successful growth over several years.
1 citations
,
March 2017 in “Roczniki Naukowe Polskiego Towarzystwa Zootechnicznego” Domestic cat hair varies in thickness and length, with guard hairs being longest and thickest, and all hair types mainly contain keratin.
August 2018 in “Journal of Investigative Dermatology” Humans evolved to have less hair and more sweat glands than chimpanzees and macaques.
December 2025 in “British Journal of Dermatology” 8 citations
,
October 2011 in “Anthropologischer Anzeiger” Pubic hair is thicker than axillary and scalp hair, useful for forensic identification.
3 citations
,
March 2009 in “Hirosaki University Repository for Academic Resources (Hirosaki University)” Hirosaki hairless rats have sparse, twisted hair due to missing hair keratin genes.
July 2018 in “Elsevier eBooks” Stopping tight hairstyles can prevent and reduce traction alopecia.
130 citations
,
December 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair follicle melanocytes die during hair regression.
31 citations
,
November 2016 in “Cell Reports” Touch sensitivity in mouse skin decreases during hair growth due to changes in touch receptors.
January 2007 in “한국미용학회지” Women without alopecia have more fat tissues and longer hair roots than those with alopecia.
2 citations
,
November 2006 in “Pump Industry Analyst” Pilomatricomas don't follow the usual hair follicle cell differentiation process.
Gray hair affects hair's movement and appearance, making it less bouncy and more wavy.
Antiandrogen treatment helps reduce hair follicles and sebaceous glands in hirsute women.
7 citations
,
December 2010 in “대한의생명과학회지” Hair growth after depilation increases skin thickness, mast cell counts, and cell activity.
1 citations
,
January 2021 in “Pakistan journal of zoology” Red fox, golden jackal, and gray wolf hairs have similar features but differ in length, thickness, and inner structure.