May 2025 in “Journal of Developmental Biology” Jawless vertebrates have teeth proteins similar to those in mammalian hair and nails.
22 citations
,
September 2003 in “Journal of Investigative Dermatology” New mutations in the EBP gene cause CDPX2, affecting bones, skin, eyes, and hair, with females generally less affected than males.
3 citations
,
March 2014 in “Annals of Hepatology” A man lost all his hair after stopping hepatitis C treatment and it didn't grow back.
2 citations
,
September 2004 in “Fertility and sterility” High androgen levels can cause excessive hair growth and may indicate serious health issues, including heart disease and fertility problems.
1 citations
,
February 2022 in “Case reports in endocrinology” An unusual growth of Leydig cells in a woman's ovaries caused her excessive hair growth, which was treated successfully with surgery.
December 2025 in “SAS Journal of Medicine” Trichofolliculoma is a rare, benign scalp tumor that can be cured by surgical removal.
30 citations
,
February 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Plet-1 protein helps hair follicle cells move and stick to tissues.
41 citations
,
December 2011 in “The journal of investigative dermatology/Journal of investigative dermatology” Deleting MED1 in skin cells causes hair loss and skin changes.
2 citations
,
April 2010 in “The Open Dermatology Journal” Corneodesmosin is essential for skin and hair health, and its dysfunction can lead to skin and hair disorders.
Activin A promotes ear hair cell development, while follistatin delays it.
58 citations
,
November 2012 in “PLoS ONE” Human skin cells can be turned into versatile stem cells, but their ability to do so decreases with repeated use.
15 citations
,
June 2020 in “Processes” CMX from Centipeda minima can significantly improve hair growth in mild to moderate balding.
September 2014 in “Springer eBooks” Men and women experience skin aging differently due to changes in sex hormone levels with age.
25 citations
,
December 1992 in “Seminars in cell biology” Skin stem cells are maintained by signals from nearby cells and vary in their ability to renew and mature.
19 citations
,
July 2015 in “Journal of inherited metabolic disease” Methionine restriction works better than betaine for treating CBS deficiency symptoms in mice.
March 2026 in “Nutrients” Hair manganese may relate to cardiometabolic health, not coronary artery disease severity.
October 2024 in “Current Issues in Molecular Biology” Platycladus orientalis leaf extract helps hair grow by activating certain proteins.
7 citations
,
October 2024 in “Cells” Autophagy is essential for proper skin cell development and function.
5 citations
,
September 2021 in “Dermatology Reports” Skin problems like acne and excess hair in PCOS are common and linked to being overweight.
2 citations
,
September 2016 in “Journal of skin and stem cell” Acne is strongly linked to high BMI, hair loss, menstrual issues, family history, and eating too many sweets and fatty foods, but not to excessive hair growth.
26 citations
,
August 2008 in “Clinical endocrinology” The document concludes that more multidisciplinary research is needed to understand and treat PCOS, a condition that significantly affects women's health and quality of life.
20 citations
,
January 2012 in “International Journal of Trichology” Most cases of excessive hair growth in women are caused by polycystic ovarian syndrome and are linked to higher free testosterone levels.
13 citations
,
August 2020 in “Der Hautarzt” Excessive male hormones in women cause symptoms like unwanted hair growth, and treatment requires careful medical evaluation.
April 2020 in “Journal of the Endocrine Society” A rare ovarian tumor that produced testosterone caused a blood clot in the lungs and increased red blood cells in a woman.
23 citations
,
January 1986 Involucrin is crucial for skin cell maturation and protection.
6 citations
,
May 2022 in “Pharmaceutics” Zinc pyrithione dissolves quickly on the skin and in hair follicles, especially in smaller particles.
69 citations
,
December 2015 in “Journal of Controlled Release” Nanocapsules can improve clobetasol delivery to hair follicles, reducing side effects.
1 citations
,
March 2020 in “International journal of reproduction, contraception, obstetrics and gynecology” The study concluded that the most common skin problems in women with PCOS are excess hair, acne, oily skin, hair loss, dark skin patches, and skin tags.
4 citations
,
December 2013 in “Acupuncture and related therapies” N-acetyl-cysteine shows promise in treating various diseases and may improve skin and hair conditions, but more research is needed on dosages and long-term effects.
21 citations
,
April 2011 in “Physiological Research” Normal levels of DHT can reduce belly fat and increase muscle, but too much can lead to hair loss, prostate issues, and possibly heart disease.