33 citations
,
September 2017 in “Journal of Investigative Dermatology” A mutation in the KRT25 gene causes woolly hair and hair loss.
September 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” Non-invasive methods can effectively monitor hair growth cycles, aiding hair loss treatment development.
Vogt–Koyanagi–Harada disease can cause rare hair growth on normally hairless thumb skin.
15 citations
,
July 2016 in “Biochemical Journal” Wnt proteins from certain skin cells are crucial for normal hair growth and renewal.
90 citations
,
January 1979 in “International review of cytology” Wool follicles are complex, involving interactions between different cell types and structures.
1 citations
,
January 2024 in “Annals of Dermatology” Examining hair shape can help predict Alopecia Areata's progression.
4 citations
,
January 2011 in “European journal of dermatology/EJD. European journal of dermatology” A boy had a rare scalp condition with thickened skin and different-colored hair.
9 citations
,
September 2016 in “Dermatologic Surgery” New LPP subtype affects vellus hairs, mimics AGA, and needs biopsy for diagnosis.
15 citations
,
December 1972 in “Journal of Investigative Dermatology” 10 citations
,
November 2008 in “Veterinary Dermatology” The mouse hairy ears mutation causes longer ear hair due to changes in gene expression.
5 citations
,
May 2015 in “JRSM open” If a child is losing a lot of eyelashes and it keeps happening, doctors should look carefully at their health history because it might be a sign of a different health problem.
The mutation helps mice handle heat better without affecting hair growth.
April 2016 in “Journal of Investigative Dermatology” Wnt ligands, produced by dermal papilla cells, are essential for adult hair growth and regeneration.
June 2023 in “Dermatology online journal” A person with thyroid problems had rare, swollen, bald spots on their scalp caused by a condition usually found on the shins.
20 citations
,
December 2010 in “Journal of Morphology” Lizard claws have hair-like keratins similar to those in mammals.
1 citations
,
May 2002 in “Therapeutische Umschau” Children's hair diseases include compulsive hair-pulling, easily plucked hair, scalp fungal infections, and head lice, each requiring specific diagnosis and treatment.
5 citations
,
July 2020 in “JAMA Dermatology” Minoxidil solution applied twice daily improved hair growth in patients with Woolly Hair/Hypotrichosis due to LIPH gene issues, with mild side effects.
September 2023 in “Russian Journal of Skin and Venereal Diseases” A rare scalp condition caused scarring hair loss in a woman, improved slightly with treatment.
1 citations
,
January 2014 in “Health Renaissance” Pseudopelade of Brocq is hard to diagnose and treat, with limited effective options.
16 citations
,
July 2013 in “The American Journal of Dermatopathology” Pigmented casts are common in several hair loss conditions and can help diagnose specific types of alopecia.
3 citations
,
February 2016 in “Dermatologic Therapy” Using minoxidil and tretinoin on the skin, along with oral vitamin D, improved hair thickness and density in two girls with woolly hair.
20 citations
,
January 1995 in “Cells tissues organs” Changing light periods synchronized wool growth cycles in sheep.
1 citations
,
January 2015 in “Actas dermo-sifiliográficas/Actas dermo-sifiliográficas” Latanoprost eye drops caused excessive cheek hair growth and eyelash whitening in a woman.
5 citations
,
November 2012 in “Actas Dermo-Sifiliográficas” Comma hairs are a new sign for identifying scalp fungal infections.
3 citations
,
May 2024 in “Skin Appendage Disorders” Trichoscopy helps diagnose and understand Discoid Lupus Erythematosus on the scalp by identifying specific patterns.
Researchers made a mouse model with curly hair and hair loss by editing a gene.
November 2025 in “BMC Genomics” Genetic differences in sheep affect wool type, with fat and immune genes influencing hair traits.
January 2014 in “Journal of the Korean Society of Design Culture” The study confirmed that changes in hair structure in women with hair loss conditions matched what is taught in beauty college trichology courses.