Ray Peat: Testosterone Isn’t the Culprit, Prolactin and Cortisol Drive Hair Loss (2016) Research/Science 10/23/2025
Prolactin and cortisol are identified as key factors in hair loss, with stress hormones impacting hair shedding. Finasteride and minoxidil are effective treatments, while DHT's role and individual sensitivity are significant factors.
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5 / 295 resultscommunity Testosterone and hair loss seeming irrelevance
The conversation is about the role of testosterone in hair loss and the effectiveness of different treatments. The conclusion is that DHT is the main culprit for hair loss, and finasteride has been proven to work long-term in maintaining and regrowing hair. Testosterone may have a minor effect, but it is not the primary cause of hair loss.
community Testosterone and DHT levels through the roof yet has better hair than the majority of guys who are “healthy” genetics are everything
The conclusion of this conversation about hair loss is that genetics play a significant role in determining hair loss, and specific treatments like finasteride may not be effective against certain compounds like masteron and trenbolone.
community 6 months of microneedling, minox, 1% keto, & biotin. Time for fin?
User experienced hair growth after 6 months using microneedling, minoxidil, ketoconazole, and biotin. Commenters suggest adding finasteride to treatment for better results and preventing further hair loss.
community Female, 30, PCOS diagnosis, MPB Norwood 2. Endo refuses to give anything other than Spironolactone. Feel like I’m at my wit’s end here.
A 30-year-old female with PCOS and male pattern baldness is frustrated with her endocrinologist's recommendation of only Spironolactone and minoxidil, feeling that dutasteride, finasteride, and progesterone would be more effective. Other users suggest various online sources for treatments, warn against self-medicating due to potential risks, and recommend seeking a specialized endocrinologist or considering additional treatments like Inositol, Berberine, and dermaneedling.
community How all hormones affect our hair follicles. Not just DHT. Take a look at this paper. Prolactin, melatonin, cortisol, progesterone, testosterone and more
The conversation discusses various factors affecting hair loss, not just DHT, and mentions treatments like Minoxidil, finasteride, and melatonin. Some users report personal experiences with these treatments and hormone tests, while others speculate on the role of hormones like prolactin and cortisol in hair loss.
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