April 2016 in “Journal of Investigative Dermatology” The Engrailed-1 gene plays a key role in the development of sweat glands in mice.
January 2006 in “Carl von Ossiezky University of Oldenburg” Unpigmented keratinocytes absorb substances faster, while melanocytes bind more strongly to melanin.
75 citations
,
May 1986 in “Clinics in endocrinology and metabolism” Male hormones are important for hair and oil gland development and can cause conditions like excessive hair growth and acne.
4 citations
,
February 2018 in “Journal of Investigative Dermatology” The document concludes that a protein involved in hair growth may link to baldness and that more research is needed on its role in hair loss and skin cancer treatments.
January 2019 in “Advances in stem cells and their niches” Skin health and repair depend on the signals between skin stem cells and their surrounding cells.
September 2014 in “Aktuelle Dermatologie” The symposium concluded that environmental factors significantly contribute to skin aging.
25 citations
,
May 1972 in “Canadian journal of zoology” Black-tailed deer have four types of pelages and molt twice a year.
18 citations
,
August 2019 in “Clinical breast cancer” Local hormonal treatment for vulvovaginal atrophy is likely safe for women with estrogen receptor-positive breast cancer on aromatase inhibitors.
26 citations
,
March 1987 in “Journal of the American Academy of Dermatology” Minoxidil helps hair regrowth by stimulating hair follicles and reducing immune responses.
2 citations
,
July 2024 in “Skin Research and Technology” Copper may protect against alopecia areata, while certain inflammatory markers increase risk.
February 2026 in “Journal of Allergy and Clinical Immunology” Alopecia areata involves immune system issues and specific cell types that disrupt hair growth, leading to hair loss.
January 2012 in “The Journal of Practical Medicine” Chinese Han individuals have fewer hair follicles and hairs than Caucasians and Africans.
January 2026 in “Biology” Androgenetic alopecia is influenced by multiple genes and pathways, with genetic risk varying by population, and personalized treatments are being explored.
99 citations
,
June 2005 in “Journal of Cosmetic Dermatology” Hair ages due to genetics and environmental factors, leading to graying and thinning, with treatments available for some conditions.
65 citations
,
March 2017 in “Experimental Dermatology” Curly hair is influenced by specific genetic variations.
48 citations
,
November 2002 in “Journal of biological chemistry/The Journal of biological chemistry” Genetic variations in hair keratin proteins exist but don't significantly affect hair structure.
41 citations
,
June 2010 in “Journal of Investigative Dermatology” New cells are added to the hair's dermal papilla during the active growth phase.
2 citations
,
May 2009 in “Medicine” Hair and nails can help diagnose diseases, with nail issues often linked to skin conditions and hair loss having various causes and treatments.
2 citations
,
October 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” Lemur hair color and density vary by environment, supporting theories on primate hair evolution.
July 2024 in “Federal Practitioner” Act quickly to prevent permanent hair loss from tight hairstyles.
October 2025 in “International Journal of Research in Dermatology” New laser technologies and methods are safer and more effective for hair removal on darker skin tones.
January 2024 in “Dermatologic therapy” AKN is a chronic scalp condition in African-descended males, treated with topicals, antibiotics, steroids, and sometimes surgery or laser.
January 2025 in “PLoS ONE” Elf5 controls skin cell growth and development, making it a potential target for skin treatments.
108 citations
,
September 2002 in “The Journal of clinical investigation/The journal of clinical investigation” Lowering testosterone speeds up wound healing in male mice.
7 citations
,
March 2003 in “PubMed” The scalp has a natural speckled pattern of increased pigment around hair follicles, possibly linked to local hormone production.
47 citations
,
August 2000 in “Endocrine Reviews” The document concludes that more research is needed to understand excessive hair growth in women with normal hormone levels and regular ovulation.
11 citations
,
July 2017 in “Expert Opinion on Investigational Drugs” New hair loss treatments may include topical medications, injections, and improved transplant methods.
September 2023 in “Drugs in context” Baricitinib is a promising treatment for alopecia areata.
January 2008 in “Springer eBooks” Thyroid disease can cause hair loss and treating thyroid problems might help with hair disorders.
11 citations
,
January 2022 in “Journal der Deutschen Dermatologischen Gesellschaft” Alopecia areata is a chronic condition causing hair loss, with new treatments targeting the immune system showing promise.