57 citations,
February 1983 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Dihydrotestosterone increases the activity of an enzyme in pubic skin cells that converts testosterone to dihydrotestosterone.
11 citations,
May 1996 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” The main enzyme found in pubic skin that could be targeted to treat excessive hair growth is 5 alpha-R2.
35 citations,
May 1986 in “Clinics in endocrinology and metabolism” The exact cause of increased 5α-reductase activity leading to hirsutism in women is still unknown.
32 citations,
April 1994 in “Journal of the American Academy of Dermatology” High androgen levels and genetic factors likely cause Becker's nevus and related symptoms.
8 citations,
May 1982 in “Journal of Endocrinology/Journal of endocrinology” Rat skin takes up and processes testosterone differently than other organs, with testosterone being more important for the skin than its metabolite 5α-DHT.
11 citations,
August 2000 in “Journal of Endocrinology” DHEA acts like a male hormone on rat skin glands and doesn't turn into female hormones there.
18 citations,
May 1992 in “American Journal of Biological Anthropology” Higher androgen levels do not cause baldness in men.
3 citations,
December 2000 in “International Journal of Cosmetic Science” The study created a new method to test drugs that affect hormone processing in skin.
186 citations,
July 1998 in “Journal of Cutaneous Medicine and Surgery” Shorter CAG repeats may cause hair and skin issues, while longer ones may link to acne.
233 citations,
November 2002 in “The journal of investigative dermatology/Journal of investigative dermatology” Creating stronger blockers for skin enzymes might lead to better treatment for conditions like acne and excessive hair growth.
54 citations,
February 1993 in “Endocrine reviews” Androgen conjugates might be better indicators of skin sensitivity to hormones in women with excessive hair growth.
17 citations,
October 2003 in “Brazilian Journal of Medical and Biological Research” The gene SDR5A1 is found in scalp hair of both hirsute and normal individuals, but it does not explain differences in hair growth.
53 citations,
May 1986 in “Clinics in endocrinology and metabolism” Androgens like testosterone affect hair growth and oil production differently across body parts and individuals.
57 citations,
May 1986 in “Clinics in endocrinology and metabolism” Androstanediol glucuronide is a reliable marker for hirsutism in women.
53 citations,
October 1984 in “Endocrine reviews” Excessive hair growth in women often has no known cause and is not linked to race or other hormonal symptoms.
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.
4 citations,
October 1988 in “Clinics in Dermatology” Dihydrotestosterone (DHT) is crucial for conditions like male-pattern baldness and acne, and measuring a byproduct, androstanediol glucuronide, is a better way to assess DHT's effects than DHT blood levels.
227 citations,
January 1998 in “Journal of Endocrinology” Cells from balding scalps have more androgen receptors than cells from non-balding scalps.
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.
12 citations,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Certain sex hormones and antiandrogens can either slow down or speed up the growth of human hair follicle cells depending on their concentration.
5 citations,
December 1979 in “Clinical and Experimental Dermatology” Anti-androgens are effective for female acne but less so for male-pattern hair loss, with side effects similar to birth control pills.
63 citations,
November 1999 in “British journal of dermatology/British journal of dermatology, Supplement” Hair sensitivity to androgens is partly controlled by specific enzyme expressions in different hair areas.
52 citations,
January 1995 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride and spironolactone both reduce hirsutism, but finasteride lowers androgen levels more.
55 citations,
March 1990 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride may treat baldness but less effective for those with 5α-reductase deficiency.
15 citations,
March 1997 in “International Journal of Dermatology” Finasteride shows promise for treating hair loss and excessive hair growth, but more research is needed to confirm its effectiveness and safety.
249 citations,
November 2003 in “Clinical endocrinology” Insulin resistance is a key factor in polycystic ovary syndrome, but genetics may also contribute.
159 citations,
July 2006 in “Endocrine Reviews” Estrogens significantly influence hair growth by interacting with receptors in hair follicles and may help regulate the hair growth cycle.
75 citations,
March 1999 in “Fertility and sterility” Finasteride, CPA, and flutamide are all equally effective in reducing excessive hair growth in women.
68 citations,
April 2002 in “Journal of Alternative and Complementary Medicine” Natural 5AR inhibitors effectively improve mild to moderate hair loss in men.
65 citations,
April 2002 in “Journal of Alternative and Complementary Medicine” Plant extracts effectively reduce hair loss and increase growth, offering a safe alternative treatment.