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research Endocrine controls of primary adult human stem cell biology: Thyroid hormones stimulate keratin 15 expression, apoptosis, and differentiation in human hair follicle epithelial stem cells in situ and in vitro

42 citations , July 2010 in “European Journal of Cell Biology”

This study found that thyroid hormones T3 and T4 enhance keratin 15 promoter activity and stimulate CD200 expression in epithelial stem cells from human scalp hair follicles, affecting their growth and differentiation.

research Hormones and Hair Growth: Variations in Androgen Receptor Content of Dermal papilla Cells Cultured from Human and Red Deer (Cervus Elaphus) Hair Follicles.

34 citations , July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology”

This study suggests that androgens influence hair follicle behavior via the dermal papilla, using evidence from human and red deer cells with differing androgen responses as models.

research Skin Academy: Hair, skin, hormones and menopause – current status/knowledge on the management of hair disorders in menopausal women

31 citations , May 2012 in “European Journal of Dermatology”

This review examines hair and skin disorders in post-menopausal women and notes a lack of evidence supporting specific treatments for this population.

research Use of Hair Products Containing Hormone or Placenta by US Military Personnel

23 citations , January 2003 in “Journal of Pediatric Endocrinology and Metabolism”

This study observed that the use of hormonal hair products remains common among US Army School personnel, with higher use rates among non-white, female, and enlisted individuals.

research Alopecia Universalis Hair Regrowth with Hormones

January 2017 in “Journal of cosmetology & trichology”

This case study describes a man with long-standing alopecia universalis who experienced hair regrowth after taking testosterone, chorionic gonadotropin, and DHEA-S.

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community Hairloss - what hormones to check?

9 upvotes 2 years ago

The user is concerned about hair loss despite using oral finasteride, oral minoxidil, and topical minoxidil. They are seeking advice on additional blood tests to identify potential causes.

community Why are hormone blockers more socially acceptable than hair systems or balding?

in Chat 105 upvotes 6 months ago

Finasteride is more accepted than hair systems because it is less visible and maintains natural hair. Treatments like minoxidil and finasteride are commonly used for hair loss, but opinions on hair systems vary.

community A stress hormone has been found to signal through skin cells to repress the activation of hair-follicle stem cells in mice

30 upvotes 5 years ago

Stress can lead to hair loss by affecting hair-follicle stem cells, and this loss is harder to recover from if one has male pattern baldness (MPB). Treatments like finasteride and minoxidil are used to address hair loss, but stress-related hair loss differs from androgenic alopecia.

community Why does the same hormone grow your beard and destroy your hairline?

44 upvotes 4 months ago

DHT promotes beard growth but causes scalp hair loss due to inflammation and fibrosis. Treatments like finasteride and minoxidil help with hormonal signals and blood flow but don't address underlying inflammation.

community Anyone tried winlevi for hair loss? I am curious about it as someone who doesn’t want to change my hormones systemically.

2 upvotes 5 months ago

Winlevi is being considered for hair loss by someone who wants to avoid systemic hormonal changes. Minoxidil, finasteride, and RU58841 are also mentioned as treatments.

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Learn

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learn Estradiol

Estrogen hormone, prescribed in tablet, patch and gel forms

Why is Estradiol used to treat hair loss in women and transgender people undergoing hormone therapy? Estradiol is used within supervised hormone therapy and may slow hormone-related hair loss in some women and trans women, but the evidence is limited and it carries serious whole-body risks.
Is applying Estradiol directly to the scalp effective for hormone-related hair thinning? There are no good-quality trials showing that estradiol applied to the scalp treats hormone-related thinning. Skin-applied estradiol can still enter the bloodstream and pass to others through contact.

learn Adenosine

Adenosine : Can it help if my hair loss is due to a hormonal imbalance like PCOS or DHT? Adenosine does not act on hormones, and it has not been studied in PCOS. Small trials in pattern hair loss showed thicker hairs.

learn Alfatradiol

Alfatradiol: What does a form of estrogen have to do with hair loss in men? Alfatradiol (17α-estradiol) is a topical hormone sold without prescription in German pharmacies, licensed there for mild androgenetic alopecia, and not FDA-approved. The controlled trial evidence is in women, where hair density and thickness stayed nearly unchanged over 6 months while minoxidil improved them (the trial had no placebo group); no comparable placebo-controlled trial in men appears to have been published.

learn sh-Polypeptide-7

Does sh-Polypeptide-7 stimulate hair follicles or reduce scalp inflammation? sh-Polypeptide-7 is the INCI name for a lab-made form of human growth hormone (somatotropin) — not EGF, which is sh-Oligopeptide-1. Growth hormone and IGF-1 signalling is documented in hair follicle biology, but there is no published human trial of sh-Polypeptide-7 applied to the scalp for hair growth or scalp inflammation.

learn Hair Transplant

Surgery that moves hair follicles from the back of the scalp to thinning areas

learn Melatonin

Hormone that regulates sleep, sold as a supplement

learn Caffeine

Stimulant used in hair shampoos and lotions

learn Biotin

B vitamin, often sold as a hair supplement

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