34 citations
,
April 2009 in “Skin Pharmacology and Physiology” Minoxidil affects cell growth in two ways: low doses increase growth, while high doses slow it down and can be toxic.
May 2022 in “Journal of Cutaneous Immunology and Allergy” Asymptomatic cats can spread scalp infections to humans.
April 2016 in “Journal of The American Academy of Dermatology” The study found that Temporal Triangular Alopecia often starts in early childhood, while Folliculitis Decalvans is characterized by tufted hairs and redness around hair follicles.
May 2020 in “International journal of dermatology and venereology” Hair matrix cysts are rare skin nodules with unique features, often needing surgical removal.
10 citations
,
April 2013 in “Veterinary dermatology” A new skin disease in four Labrador retrievers responded well to immunosuppressive treatment.
December 2024 in “Frontiers in Veterinary Science” Dorper sheep's wool shedding is linked to specific genes and pathways, which may help understand human hair growth.
26 citations
,
April 1977 in “PubMed” Minoxidil, a blood pressure drug, can cause excessive hair growth, but this can be successfully treated with a hair removal agent called calcium thioglycolate.
September 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” 7DHC and BM15766 damage hair follicle structure and reduce key gene expression.
26 citations
,
April 1996 in “Journal of Investigative Dermatology” 30 citations
,
October 2010 in “Biochemical and biophysical research communications” The Gsdma3 gene is essential for normal hair development in mice.
12 citations
,
June 2006 in “Anais Brasileiros de Dermatologia” The study found average numbers for different types of hair follicles in the scalp and observed differences between men and women, suggesting reasons for more common hair shedding in women.
2 citations
,
September 2019 in “Journal of the American Academy of Dermatology” USB videodermatoscopes are a practical and affordable alternative for diagnosing skin conditions.
12 citations
,
January 2015 in “Skin appendage disorders” Dermoscopy helps quickly identify hair breakage in people of African descent.
17 citations
,
October 2003 in “Brazilian Journal of Medical and Biological Research” The gene SDR5A1 is found in scalp hair of both hirsute and normal individuals, but it does not explain differences in hair growth.
April 2019 in “Journal of Investigative Dermatology” Increasing COX-2 in mouse skin causes bigger sebaceous glands and thinner hair, but stopping COX-2 can reverse hair thinning.
A red fox with skin lesions was cured of a fungal infection after treatment.
2 citations
,
August 2022 in “Clinical Case Reports” A 17-year-old girl had severe, on-and-off hair loss, likely due to COVID-19. She was treated with Vitamin D3, biotin, and other supplements, and saw some improvement within a month.
October 2025 in “Portuguese Journal of Dermatology and Venereology” Accurate diagnosis of facial skin tumors requires detailed analysis to distinguish between benign and malignant types.
4 citations
,
January 2009 in “Acta agriculturae Serbica” Selenium imbalance can cause hair loss and skin issues.
36 citations
,
September 1999 in “Toxicologic pathology” Stronger corticosteroids cause more skin damage in hairless dogs, similar to effects in humans.
November 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” The research identified specific genes that are active in the cells crucial for hair growth.
2 citations
,
September 1991 in “Indian Journal of Dermatology Venereology and Leprology” Minoxidil caused a skin reaction in a woman.
November 2022 in “Journal of the Endocrine Society” Taking biotin can lead to incorrect low results in free testosterone tests.
9 citations
,
February 2004 in “Veterinary Dermatology” Canine hair follicle cells metabolize DHEA and testosterone differently than human cells.
The woman has unexplained hair loss and it's unclear what her condition is or how to treat it.
12 citations
,
March 1981 in “International Journal of Dermatology” External factors like certain shampoos, bacterial infections, and parasites might cause hair defects similar to genetic conditions.
2 citations
,
September 2021 in “JAAD case reports” A man with a weakened immune system was diagnosed with a rare skin condition called trichodysplasia spinulosa using skin examination techniques.
43 citations
,
April 2010 in “Developmental Biology” Sebaceous glands can form new hair follicles when activated, but hair follicle bulges cannot.
18 citations
,
November 2005 in “Archives of Dermatological Research” 9 citations
,
January 2014 in “World journal of clinical cases” Neomycin is a common cause of follicular contact dermatitis, which is treated by avoiding the allergen and using creams.