July 2002 in “Dermatologic Surgery” Some people's hair turned white or gray after using intense pulsed light for hair removal, and for some, it was permanent.
10 citations
,
January 2013 in “International Journal of Trichology” More vellus hairs in frontal scalp indicate early female pattern hair loss.
17 citations
,
June 1990 in “PubMed” Hair varies in size and features depending on body region.
March 2026 in “Mendeley Data” rwSALT provides precise hair regrowth measurement from scalp photos.
1 citations
,
January 2014 in “International Journal of Trichology” A patient with a rare hair condition and skin disorder showed hair improvement after treatment.
December 2014 in “Bali Medical Journal” Females have higher estrogen receptor levels in hair than males, and these levels decrease in white hair compared to black hair.
21 citations
,
January 2014 in “International Journal of Trichology” The study concluded that yellow dots are a common and useful sign for diagnosing alopecia areata in dark-skinned individuals and may indicate the severity of the condition.
20 citations
,
December 1995 in “Veterinary Dermatology” Yorkshire Terriers with Colour Dilution Alopecia have reduced melanin and hair structure issues.
March 2026 in “International Journal of Advanced Biochemistry Research” German shepherd hair varies in color and pattern but is flat with a consistent internal structure.
27 citations
,
July 1997 in “PubMed” The harlequin ichthyosis mouse mutation causes thick skin and early death, resembling a human skin disorder.
February 2019 in “Yeni Üroloji Dergisi” Premature hair whitening or loss may indicate a risk for erectile dysfunction.
26 citations
,
August 2007 in “Annals of Anatomy - Anatomischer Anzeiger” Feathers become harder as they develop due to a change in keratin type.
2 citations
,
March 2017 in “Sultan Qaboos University medical journal” An infant had two different natural hair colors on the scalp with no health issues.
July 2023 in “International Journal of Trichology” The man's hair turned white suddenly but returned to normal on its own in 6 months.
1 citations
,
December 2024 in “Case Reports in Dermatology” Cyclophosphamide likely causes skin darkening by affecting hair follicles.
September 2024 in “Journal of the American Academy of Dermatology” Selenium disulfide shampoo effectively reduces dandruff and is well-liked by users.
January 2005 in “Chinese Journal of Veterinary” Hairless mice lose hair by 3-4 weeks, develop thicker, folded skin, and show pigmentation differences.
12 citations
,
January 2014 in “Dermatology online journal” White hair regrowth in alopecia areata may be more common than thought.
6 citations
,
December 2019 in “International Journal of Cosmetic Science” White hair has weaker tryptophan fluorescence than other unpigmented fibers, possibly due to UV exposure or unknown substances.
January 2022 in “Indian dermatology online journal” A baby with a skin condition improved with treatment but developed a rare form of the condition affecting only his trunk.
5 citations
,
January 2010 in “The anatomical record” Most dogs have hair whorls on their chest and limbs, with shelter dogs and short-haired dogs having more chest whorls.
5 citations
,
June 2024 in “Cureus” The methods tested are reliable for assessing dandruff reduction.
October 2024 in “Journal of Cutaneous Pathology” Compound follicles in folliculitis decalvans mainly have active hair follicles.
36 citations
,
December 2004 in “British Journal of Dermatology” The cyst had unusual keratin spherules and resembled bone marrow.
5 citations
,
January 2016 in “European Journal of Dermatology” Suplatast tosilate successfully treated a woman's systemic sclerosis symptoms.
August 2018 in “Pediatric Dermatology” A baby had a unique skin condition with a pale patch and surrounding dark hairs, not linked to other health issues.
January 2021 in “Journal of Entomology and Zoology Studies” The piglets fully recovered from psoroptic mange after treatment.
7 citations
,
March 1990 in “Pigment Cell Research” Certain chemicals cause hair graying in black mice but not yellow mice.
A white-tailed deer fawn in South Dakota was the first cervid found with congenital hypotrichosis, a condition causing sparse or missing hair.
12 citations
,
January 2013 in “Indian dermatology online journal” The document reports a unique case of woolly hair with a combination of conditions not previously seen together.