April 2026 in “Comprehensive Psychoneuroendocrinology” Hair cortisol levels may be linked to stress, but results are inconsistent.
50 citations
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December 2010 in “Bjog: An International Journal Of Obstetrics And Gynaecology” South Asian women with PCOS experience more psychological distress and have a poorer quality of life, especially in social relationships, with hirsutism affecting them more than obesity.
January 2025 in “SSRN Electronic Journal”
6 citations
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January 2018 in “Annals of dermatology/Annals of Dermatology” Hyaluronic acid filler can safely and effectively improve facial contour in Parry-Romberg Syndrome.
9 citations
,
April 2025 in “Psychoneuroendocrinology” The occipital region is best for measuring cortisol and cortisone, while the posterior vertex is better for OEA, SEA, and PEA.
14 citations
,
June 2011 in “Journal of Dermatological Science” TSH influences keratin expression in human hair follicles.
May 2009 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” DHEA therapy improved pubic hair growth and psychological well-being in young females with adrenal insufficiency.
April 2017 in “Our Dermatology Online” Using cosmetics made elderly people feel more comfortable and attractive.
5 citations
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February 1998 in “Polymer” Human hair keratin has a 40% α-helix structure that changes to a random coil in 8 M urea.
May 1962 in “Zhurnal Fizicheskoi Khimii (U.S.S.R.) For English translation see Russ. J. Phys. Chem. (Engl. Transl.)” PCOS causes hormonal imbalances and health issues like infertility and heart disease.
June 2013 in “Lithuanian University of Health Sciences” Hyperandrogenism does not affect young women's sexual function.
138 citations
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May 2000 in “Maturitas” Estrogen replacement can improve skin health in menopausal women but doesn't reverse sun damage or prevent hair loss.
1 citations
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June 2024 in “Rehabilitation Medicine” Higher cortisol and cortisone levels in hair may predict mood disorders after a stroke.
August 2025 in “BMC Pregnancy and Childbirth” A new EDA gene variant causes X-linked hypohidrotic ectodermal dysplasia in a Chinese family.
Hair cortisol content can indicate cortisol exposure and varies with age, puberty, and BMI in youth.
Hair properties change under electromagnetic fields and are influenced by individual characteristics and the environment.
11 citations
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January 2014 in “International Journal of Trichology” Witch hazel-based hair products improved scalp irritation and were well-tolerated.
May 2008 in “10th European Congress of Endocrinology”
132 citations
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October 1995 in “Journal of the American Academy of Dermatology” Electrolysis is effective for permanent hair removal, but technique is key to avoid scarring, and sometimes hormonal treatment is needed for women with hirsutism.
71 citations
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November 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Edar signaling is crucial for proper hair follicle development and function.
November 2024 in “Psychoneuroendocrinology” Testosterone increases hair testosterone levels, stress raises hair cortisol, and relationship status affects hormone levels.
Hyaluronic acid in shampoo penetrated hair well, reduced frizz, and improved hair strength and moisture.
12 citations
,
December 2017 in “Food and chemical toxicology” Permanent hair dye mixtures can irritate and damage the skin.
12 citations
,
June 2011 in “Journal of applied polymer science” L-phenylalanine and hydrolyzed eggwhite protein deeply penetrate human hair.
September 2024 in “Advanced Biomedical Research” Chick embryo extract helps rat hair follicle stem cells become more like neurons.
16 citations
,
October 1996 in “PubMed” Hormone replacement therapy can improve skin aging in postmenopausal women.
Elastin-like recombinamers show promise for better wound healing and skin regeneration.
November 2018 in “Annals of oncology” A scalp-cooling system effectively prevents hair loss in breast cancer patients treated with eribulin.
1 citations
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May 2006 in “Hair transplant forum international” Well-designed clinical trials are needed to improve hair restoration methods.