January 2017 in “Dermatology Review” Skin issues from chronic graft-versus-host disease greatly affect daily life, needing teamwork between blood and skin doctors.
April 2016 in “British Journal of Dermatology” Eyelashes are important for looks and eye protection, and more people are treating sparse eyelashes; more research is needed to understand eyelash biology and improve treatments.
Lupus is a complex disease that requires personalized treatment because it varies greatly between individuals.
September 2014 in “Springer eBooks” Aging causes hair to gray and thin, with the timing of graying varying by race, and factors like oxidative stress and genetics can lead to hair loss.
June 2008 in “Regenerative Medicine” The book explains the science of tissue repair and regeneration, its medical uses, challenges, and ethical concerns.
January 2008 in “Journal of The American Academy of Dermatology” ROS may affect hair loss related to hormones.
December 2025 in “Italian Journal of Anatomy and Embryology” Understanding embryologic layers improves skin disorder diagnosis and supports developing targeted therapies.
62 citations
,
November 2009 in “Aging Cell” Hedgehog signaling helps keep hair follicle stem cells the same in both young and old human skin.
21 citations
,
October 2009 in “Biochemical Engineering Journal” Stem cell therapy is a promising approach for hair regrowth despite potential side effects.
13 citations
,
December 2019 in “Nutrients” An apple-based supplement was found to stimulate hair protein production, which may help with hair growth.
Bovines can have rare inherited skin diseases with specific symptoms like hair loss, fragile skin, and abnormal porphyrin buildup.
75 citations
,
October 2016 in “Genes & Development” Cells in hair follicles help create fat cells in the skin by releasing a protein called Sonic Hedgehog.
8 citations
,
January 2015 in “Clinical and Experimental Dermatology” A new model for hair regeneration in mice was created in 2015, which is faster and less invasive than the old method, producing normal hairs in about 21 days.
227 citations
,
January 1998 in “Journal of Endocrinology” Cells from balding scalps have more androgen receptors than cells from non-balding scalps.
21 citations
,
November 2011 in “Veterinary Pathology” Mouse skin color ranges from pink to black, depending on their hair growth cycle.
13 citations
,
August 2017 in “International Journal of Dermatology” Trichoscopy helps quickly identify autoimmune diseases on the scalp but should be used with other standard tests.
10 citations
,
June 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” FP-1 is a key protein in rat hair growth, active only during the growth phase.
3 citations
,
April 2015 in “International research journal of pharmacy” Gentamicin penetrates pig skin better through open hair follicles than blocked ones.
2 citations
,
August 2010 in “Journal of the American Academy of Dermatology” A 65-year-old woman has a growing bald spot on her scalp.
March 2026 in “Frontiers in Medicine” Different types of alopecia cause hair loss due to immune system issues, with some allowing regrowth and others causing permanent loss.
January 2025 in “Dermatology Review” Giant keratoacanthoma can look like squamous cell carcinoma, requiring careful diagnosis and surgical removal.
2 citations
,
March 2019 in “Journal of Histochemistry and Cytochemistry” Neuronatin is found in specific cells within rat testis, hair follicles, tongue, and pancreas, suggesting it has various roles in tissue development and function.
January 2019 in “Journal of Entomology and Zoology Studies” Ruminant goats have larger and more defined hair follicles than younger goats.
4 citations
,
September 2012 in “Journal of dermatological science” The hair follicle's connective tissue is a key source of a certain collagen in human scalp skin.
224 citations
,
March 2006 in “Seminars in Cutaneous Medicine and Surgery” The document concludes that understanding hair follicle biology can lead to better hair loss treatments.
139 citations
,
July 1991 in “Journal of The American Academy of Dermatology” Understanding hair follicle anatomy helps diagnose hair disorders.
77 citations
,
July 2020 in “Journal of the European Academy of Dermatology and Venereology” Environmental factors, hormones, nutrition, and stress all significantly affect skin health and aging.
76 citations
,
February 2021 in “International Journal of Molecular Sciences” Mesenchymal stem cells show potential for skin healing and anti-aging, but more research is needed for safe use, especially regarding stem cells from induced pluripotent sources.
38 citations
,
June 2003 in “Journal of Investigative Dermatology Symposium Proceedings” Accurate clinical, histological, and genetic methods are key for understanding and treating hair disorders.
33 citations
,
August 2018 in “Facial Plastic Surgery Clinics of North America” The document explains hair biology, the causes of hair loss, and reviews various hair loss treatments.