9 citations
,
April 1985 in “Canadian Journal of Zoology” Moose have unique interdigital glands with green hairs and larger glands during mating season.
Surgical repigmentation can permanently restore color to white hair in vitiligo patients.
24 citations
,
December 2011 in “Journal of The American Academy of Dermatology” Caucasian hair is denser, but Asian hair is thicker in female pattern hair loss patients.
December 2022 in “International Journal of Women's Dermatology” The Sinclair Shedding Scale is effective for diagnosing Alopecia Areata Incognita and monitoring treatment success.
2 citations
,
January 2021 in “Journal of The American Academy of Dermatology” A simple scalp scraping can effectively distinguish fibrosing alopecia from androgenetic alopecia with seborrheic dermatitis.
4 citations
,
June 2022 in “Clinical, cosmetic and investigational dermatology” The new SFS Scale predicts hair transplant difficulty using hair and skin types, with thick skin and coily hair being hardest to work with.
1 citations
,
October 2022 in “Dermatology practical & conceptual” Isolated patchy heterochromia with pili annulati can occur without other health issues.
32 citations
,
April 2015 in “British Journal of Dermatology” The hair shedding scale accurately identifies abnormal hair shedding in women with long hair, with grades 5 and 6 indicating excessive shedding.
October 2024 in “Skin Research and Technology” Pili annulati causes zebra-striped hair but doesn't affect hair strength or quality of life.
22 citations
,
September 1993 in “Archives of Dermatology” The child has a scaly rash and fever, but tests show no infection.
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.
2 citations
,
July 2016 in “Veterinary dermatology” Hyperaesthetic leucotrichia in horses causes painful, recurring skin lesions and hair color changes, especially in Arabian and American paint horses.
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.
3 citations
,
January 2022 in “Medical Mycology Journal” Malassezia fungi in healthy noses can form a "spaghetti-and-meatballs" structure.
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.