23 citations
,
December 2004 in “Differentiation” Sex hormones affect hair and feather growth and may help manage alopecia and hormone-dependent cancers.
23 citations
,
January 2001 in “International journal of toxicology” St. John's Wort extract and oil safety in cosmetics is unclear; more data needed on photosensitization, toxicity, and human irritation.
23 citations
,
March 1989 in “The Veterinary clinics of North America. Food animal practice” Llamas often have skin issues like mange, bacterial infections, and allergies, with some treatable by zinc.
22 citations
,
February 2010 in “The Veterinary clinics of North America. Small animal practice/Veterinary clinics of North America. Small animal practice” The cause of atypical Cushing's syndrome in dogs, possibly linked to sex hormones, is not yet proven.
21 citations
,
June 2020 in “Dermatologic Therapy” The COVID-19 pandemic led to fewer dermatology visits and changed the types of skin conditions patients experienced.
21 citations
,
January 2020 in “General and Comparative Endocrinology” Lack or blocking of SRD5a, a key component in hormone creation, can lead to conditions like pseudohermaphrodism and affect hair growth, bone mass, muscle strength, and reproductive health. More research is needed on its regulation from fertilization to adulthood.
21 citations
,
May 2016 in “The Cochrane library” Topical minoxidil helps treat female pattern hair loss, but more research needed for other treatments.
21 citations
,
May 2005 in “Journal of the American Veterinary Medical Association” The exact cause of growth hormone-responsive alopecia in dogs is unclear.
20 citations
,
July 2024 in “Archives of Dermatological Research” Dupilumab helps children with alopecia areata regrow hair safely.
20 citations
,
June 2014 in “BMC genomics” Poplar seed hairs grow from the placenta at the ovary base, with endoreduplication playing a key role in their development, and share similar cellulose synthesis processes with cotton fibers.