14 citations,
January 2014 in “Cells Tissues Organs” Ionizing radiation causes irreversible skin damage, with single doses leading to acute injury and hair graying, and fractional doses causing more severe long-term tissue damage.
7 citations,
January 2018 in “Medicinski arhiv” A herbal extract may help treat certain types of hair loss by reducing a specific gene's activity.
Avicennia Marina extract and avicequinone C can reduce hair loss hormone production and increase hair growth factors, suggesting they could be used to treat androgenic alopecia.
59 citations,
September 2008 in “Experimental dermatology” Both mouse and rat models are effective for testing alopecia areata treatments.
349 citations,
January 2005 in “The FASEB journal” Human skin can make serotonin and melatonin, which help protect and maintain it.
7 citations,
January 1992 in “Adolescent and pediatric gynecology” Early diagnosis and treatment of PCOS in teenagers can help prevent more severe adult PCOS.
March 2015 in “Plastic and reconstructive surgery” Human skin has multiple layers and functions, with key roles in protection, temperature control, and appearance.
187 citations,
December 2005 in “Experimental Dermatology” Estrogens can improve skin aging but carry risks; more research is needed on safer treatments.
137 citations,
June 2005 in “Climacteric” Estrogen loss during menopause worsens skin health, but hormone replacement therapy may improve it, though more research is needed.
41 citations,
September 1991 in “Medical hypotheses” Prolactin may be important for skin growth and immune function.
21 citations,
May 2005 in “Journal of the American Veterinary Medical Association” The exact cause of growth hormone-responsive alopecia in dogs is unclear.
8 citations,
April 2020 in “Dermatologic Clinics” AGA treatments like minoxidil and LLLLT are safe and effective for gender minority patients.
September 2014 in “Springer eBooks” Men and women experience skin aging differently due to changes in sex hormone levels with age.
January 2018 in “Our Dermatology Online” Dutasteride injections can help hair growth in androgenic alopecia but need more research for long-term use.
1 citations,
June 2021 in “Singapore Medical Journal” Dutasteride and finasteride can help increase hair growth gene expression but need further improvement.
1 citations,
October 2020 in “PubMed” Azelaic acid helps protect hair cells from UV damage and encourages hair growth by increasing certain gene expressions and proteins.
9 citations,
August 2015 in “Tissue Engineering and Regenerative Medicine” Human skin cell byproducts can potentially be used to treat hair loss and promote hair growth.
6 citations,
March 2019 in “Medical science monitor basic research/Medical science monitor. Basic research” VEGFR-2 is active in hair follicles, sebaceous glands, sweat glands, and skin on the human scalp.
12 citations,
October 2021 in “Cells” Targeting a protein that blocks hair growth with microRNAs could lead to new hair loss treatments, but more research is needed.
3 citations,
August 2020 in “Animals” Researchers found a way to grow cashmere goat hair cells in a lab and discovered that certain conditions improve these cells' growth and characteristics.
4 citations,
April 2012 in “Asian-australasian Journal of Animal Sciences” Red deer antler extract may help hair grow faster by increasing a growth protein.
3 citations,
August 2021 in “The Open Dermatology Journal” The herbal hair serum improves hair quality and growth, and is a good alternative to traditional cosmetics because it doesn't contain harmful chemicals like parabens and sulphates.
November 2023 in “International Journal of Women's Dermatology” Hormone replacement therapy may improve hair growth in the frontal hairline of postmenopausal women with hair loss.
16 citations,
January 2021 in “Frontiers in veterinary science” Pigs in farrowing crates and loose-housing systems showed no difference in chronic stress levels as measured by hair cortisol.
15 citations,
June 2020 in “The journal of investigative dermatology/Journal of investigative dermatology” Mice with extra human KLK14 had hair and skin problems, including weaker cell bonds and inflammation, linked to Netherton syndrome.
7 citations,
May 2022 in “The Journal of Dermatology” Hair loss is a frequent long-term effect of COVID-19, and oral minoxidil is the most common effective treatment.
9 citations,
June 2022 in “Plants” Shallot extract may help with hair growth and treating hair loss.
2 citations,
October 2022 in “Journal of Biomedical Science” Stem cells and their secretions could potentially treat stress-induced hair loss, but more human trials are needed.
75 citations,
September 2007 in “Journal of Heredity” FGF5 gene mutations cause long hair in domestic cats.
2 citations,
June 2023 in “Indian journal of dermatology, venereology, and leprology” Janus kinase inhibitors can regrow hair in alopecia areata but may cause side effects and hair loss may return if treatment stops.