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GlossaryThyroid Hormone

regulates metabolism and energy production in the body

Thyroid hormone refers to the hormones produced by the thyroid gland, primarily thyroxine (T4) and triiodothyronine (T3). These hormones play a crucial role in regulating metabolism, energy production, and overall growth and development. Imbalances in thyroid hormone levels can lead to conditions such as hypothyroidism or hyperthyroidism, which can affect various bodily functions, including hair growth and health.

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Thyroid Hormones Directly Alter Human Hair Follicle Functions: Anagen Prolongation and Stimulation of Both Hair Matrix Keratinocyte Proliferation and Hair Pigmentation

research Thyroid Hormones Directly Alter Human Hair Follicle Functions: Anagen Prolongation and Stimulation of Both Hair Matrix Keratinocyte Proliferation and Hair Pigmentation

115 citations, August 2008 in “The Journal of Clinical Endocrinology & Metabolism”

Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.

research Thyroid Hormone Receptor β1 Is Expressed in the Human Hair Follicle

111 citations, April 2000 in “British journal of dermatology/British journal of dermatology, Supplement”

Thyroid hormone receptor β1 is found in human hair follicles and helps them survive.

Fadrozole And Finasteride Exposures Modulate Sex Steroid- And Thyroid Hormone-Related Gene Expression In Silurana (Xenopus) Tropicalis Early Larval Development

research Fadrozole And Finasteride Exposures Modulate Sex Steroid- And Thyroid Hormone-Related Gene Expression In Silurana (Xenopus) Tropicalis Early Larval Development

60 citations, April 2010 in “General and Comparative Endocrinology”

Fadrozole and finasteride change gene expression related to sex hormones and thyroid hormones in frog larvae development.

research Thyroid Hormone Action on Skin

44 citations, July 2011 in “Dermato-endocrinology”

Thyroid hormone affects skin health, with too little causing rough, pale skin and too much leading to smooth, thin skin, and may also impact wound healing and skin conditions.

research Thyroid Hormone Action in Epidermal Development and Homeostasis and Its Implications in the Pathophysiology of the Skin

32 citations, March 2021 in “Journal of endocrinological investigation”

Thyroid hormones are important for skin health and changes in them can affect conditions like hair loss and eczema.

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community Are these safe levels to start taking Finasteride (M, 25)?

in Finasteride/Dutasteride 11 upvotes 1 year ago

The conversation discusses concerns about starting finasteride with low testosterone levels, with one person suggesting finasteride might increase testosterone and decrease DHT, and another advising to pay attention to thyroid-stimulating hormone (TSH) levels.

community Update of my case, might have finally found what happened

in Minoxidil 6 upvotes 2 months ago

OP believes RU58841 affected their thyroid, causing hypothyroidism and impacting minoxidil's effectiveness. They plan to start thyroid medication to improve hair regrowth.

community C’est terrible - at my wits end

in Female 443 upvotes 1 year ago

A 29-year-old woman is experiencing gradual hair thinning since age 15, suspects Androgenic Alopecia, and has tried 5% minoxidil with little success. She has purchased various hair loss treatments including minoxidil, dutasteride, finasteride, and spironolactone, but is cautious about starting them due to potential interactions with her ADHD medication.

community Reminder : Biotin is useless (expect if you are really deficient, and you're not)

in Chat 103 upvotes 2 years ago

Biotin supplements are not effective for hair loss unless you are actually deficient, which is rare. Some users report improved hair quality with biotin, but there's no evidence supporting its use for hair loss in healthy individuals.

community Next month marks 2 years on Dutasteride. When does it start working?

in Finasteride/Dutasteride 36 upvotes 5 months ago

A user has been on dutasteride for nearly 2 years with no improvement in hair loss, expressing frustration. Other users suggest checking for other health conditions, getting bloodwork, and considering stopping TRT or trying finasteride.

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