7 citations
,
July 2011 in “Archives of Dermatology” Alopecia areata caused a boy's hair to regrow straight instead of curly, but the exact reason is unknown.
2 citations
,
November 2024 in “JAAD reviews.” Certain drugs can change hair color, either lightening or darkening it.
2 citations
,
July 2021 in “Actas dermo-sifiliográficas/Actas dermo-sifiliográficas” Hair shaft disorders are diagnosed through examination and history, with general care and some treatments offering improvement.
1 citations
,
October 2023 in “Heliyon” An infant with Hutchinson-Gilford Progeria Syndrome had successful surgery to fix breathing issues caused by a new genetic mutation.
November 2025 in “Skin Health and Disease” Autosomal recessive woolly hair is rare and involves tightly coiled hair without other health issues.
October 2025 in “Nature Reviews Disease Primers”
January 2024 in “Journal of tissue engineering” Sunlight exposure damages hair follicles, but certain stem cell-derived particles can reduce this damage and help with hair regeneration.
February 2022 in “Actas dermo-sifiliográficas/Actas dermo-sifiliográficas” Hair shaft disorders, often due to genetics or environment, lack specific treatments but can be managed with gentle hair care and may improve with age or topical treatments.
January 2022 in “Journal of Dermatology and Dermatologic Surgery” Trichoscopy is useful for quickly diagnosing different types of hair loss without needing biopsies.
January 1989 in “Handbook of experimental pharmacology” Drugs can change hair growth and this is important because it can upset people.
65 citations
,
May 2006 in “Journal of Structural Biology” Hair curliness is due to uneven distribution of different cortices within the hair fiber.
5 citations
,
June 2008 in “British Journal of Dermatology”
December 2022 in “European journal of internal medicine” Hair straightening treatments can cause serious kidney damage, especially if you have skin issues.
Black hair's diversity in patterns and textures is influenced by follicle shape and keratin, and it holds cultural, artistic, and mathematical significance.
9 citations
,
April 2019 in “Journal of Structural Biology” Keratin fibers in hair twist left-handed.
Trichorrhexis nodosa causes hair to break easily, often affecting young to middle-aged black women.
70 citations
,
June 1998 in “Polymer” Permanent waving damages hair by disrupting its keratin structure.
13 citations
,
April 2018 in “Scientific Reports” The genes KRT25 and SP6 affect curly hair in horses, with KRT25 also causing hair loss. If both genes are mutated, the horse gets curly hair and hair loss. KRT25 can hide the effect of SP6.
January 2022 in “International journal of dermatology and venereology” A Chinese man with KID syndrome had a new mutation in the GJB2 gene.
78 citations
,
May 2012 in “Journal of Investigative Dermatology” A specific gene mutation causes woolly hair and hair loss.
September 2009 in “Hair transplant forum international” Changing the direction of cuts can make it easier to put in implants.
March 2018 in “Journal of Experimental Biology” Hair curliness is caused by the arrangement and length of two different cell types.
2 citations
,
March 2024 in “Pediatric Dermatology” Two siblings have a rare hair condition caused by a new genetic variant.
32 citations
,
April 2014 in “The journal of investigative dermatology/Journal of investigative dermatology” Loss of keratin K2 causes skin problems and inflammation.
Stiffness gradients in alginate gels can guide cancer cell invasion and study cellular behaviors.
January 2021 in “Nasza Dermatologia Online” Plica polonica is a rare condition where hair becomes irreversibly tangled, and the treatment is to cut the matted hair.
45 citations
,
March 2001 in “Journal of Investigative Dermatology” A new protein, mK6irs, is found in specific hair layers and may help understand hair growth and diseases.
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.
April 2024 in “arXiv (Cornell University)” STITCH improves suture accuracy and efficiency, especially with human help.
January 2000 in “Zhongguo yixue wulixue zazhi” Different human hair keratin types have unique structures that affect how they dissolve and can be used to create self-tendons.