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Hair loss is linked to cellular physiology and the IGF-1 to TGF-B1 ratio, not just androgen sensitivity. The theory lacks evidence, while finasteride and minoxidil are effective treatments.

David Barreto shared that a London-based research group is conducting a 12-month trial for a new nutraceutical treatment for pattern hair loss, designed with Dr. Carlos Puig. The trial aims to provide robust data, with results expected in 1-2 years, potentially representing a significant advancement since finasteride’s introduction in 1997.

Vitamin D tests like D2, D3, and 25-hydroxyvitamin D are discussed before starting hair treatment. Vitamin D can be obtained from food, but overdose has side effects.

An 18-year-old with diffuse hair thinning is considering switching from a topical Minoxidil 10% + Finasteride 0.1% solution to Minoxidil 5% foam and oral Finasteride 0.5mg, while also addressing vitamin D deficiency and potential scalp inflammation. Users suggest using Nizoral shampoo for inflammation, considering dutasteride for better results, and maintaining vitamin D levels to protect hair follicles from DHT.

Finasteride and dutasteride are discussed for hair loss, with concerns about their effects on neurosteroids and potential side effects like depression. Alternatives like topical estrogen and lifestyle changes are considered, with varying opinions on mental health and hair regrowth.

The user added dutasteride once a week for three months and shared blood work results, noting low vitamin D. Another user mentioned experiencing hair thinning while on the same treatment.

A user discusses their hormone blood test results before starting finasteride for hair loss, noting high DHT and estradiol levels. They tried topical finasteride for a few days but felt tired.

A user experienced increased hair shedding and unchanged DHT levels after taking 0.25mg of finasteride for 47 days, leading them to increase the dose to 0.5mg. Others discussed varying experiences with finasteride, minoxidil, and the importance of measuring scalp DHT.

NOVOGRO's new hair loss treatment is questioned for its effectiveness compared to minoxidil, with skepticism about its claims and trial results. The product targets women and lacks the 5α-reductase inhibitor NV-1065, which is still in development.

The conversation is about managing allopregnanolone deficiency caused by 5-alpha-reductase inhibitors like finasteride or dutasteride. Specific treatments discussed for hair loss include Minoxidil, finasteride, and RU58841.

Vitamin D supplementation may have led to slight hair regrowth and density improvement. Other treatments discussed include finasteride, minoxidil, and maintaining optimal vitamin D levels.

A 24-year-old is experiencing hair shedding and regrowth while using dutasteride (1mg), vitamin D, and minoxidil (5%). Others share similar experiences with hair loss treatments like minoxidil and finasteride.

The conversation discusses the mechanism of action of alfatradiol (17 alpha estradiol) in treating hair loss. It explores theories that it either inhibits 5 alpha reductase to prevent T->DHT conversion or aromatizes scalp T into 17-alpha-estradiol to save hair.

A 25-year-old shares 4 months of hair loss progress using 0.5mg Dutasteride, 2.5mg Minoxidil, and 10mg Biotin in one capsule. They experienced significant improvement by month 2, despite a big shed at month 3, with no side effects reported.

The user has androgenetic alopecia (AGA) and low Vitamin D levels, and they started using topical minoxidil (5%). They are considering finasteride but are concerned about side effects and are advised to seek mental health support.

Sugary beverages increase the risk of pattern hair loss in men by 57%. Treatments discussed include Minoxidil, finasteride, and RU58841.

The user experienced significant hair regrowth using dutasteride (0.5 mg three times a week) and RU58841 (5% once a day), with no side effects reported from RU58841. They are considering increasing the RU58841 dose or adding minoxidil for further improvement.

A user experienced accelerated hairline recession after adding dutasteride to their regimen of topical finasteride and minoxidil, despite reduced hair shedding. They were informed that ELISA testing for DHT levels can be highly inaccurate.

A 28-year-old is experiencing hair loss despite using treatments like oral minoxidil, finasteride, and high-dose dutasteride (2.5 mg). They suspect lichen planus might be contributing to the issue and plan to continue treatment while monitoring progress.

The conversation discusses finding a finasteride dosage that reduces DHT by about 25% to minimize side effects, with considerations for topical versus oral formulations. Alternatives like dutasteride mesotherapy and topical treatments are explored, with concerns about systemic absorption and potential impacts on athletic performance and hormone levels.

The user has been using 1.25 mg of oral minoxidil and finasteride since September 2025 to address diffuse hair thinning, and is considering trying a new shampoo. Other users suggest increasing the minoxidil dose and trying dutasteride.

A 25-year-old switched from finasteride to dutasteride, experiencing significant hair regrowth and improved hair quality after 6 months, taking it three times a week. The user stopped finasteride entirely, citing dutasteride's longer half-life as more effective.

The user is concerned about high estradiol and normal DHT levels after 6 months on finasteride and 4 months on weekly dutasteride, noticing hair thinning. They consider increasing dutasteride frequency and adding RU58841 to their regimen.

The conversation discusses the effectiveness of using 2.5 mg Dutasteride daily versus combining 0.5 mg Dutasteride with 150 mg RU58841 for reducing scalp DHT. Opinions vary, with some users recommending lower doses of Dutasteride and cautioning against RU58841 due to potential side effects.

A 26-year-old used high-dose dutasteride monotherapy for two years, reporting significant hair regrowth without side effects. The user avoided combining it with minoxidil due to cardiac risk concerns.

Topical dutasteride 0.05% is more effective for hair growth than oral finasteride 1mg, with minimal DHT reduction. The formulation uses castor oil and MCTs for better absorption but is not widely available until 2028.

Dutasteride and finasteride are used for hair loss, affecting hormone levels like DHT and testosterone. Hormone balance is crucial, as changes can lead to side effects such as increased estradiol and potential hair loss.

Vitamin D3's impact on hair loss is debated, with some users suggesting it may not significantly help. It's recommended to check vitamin D levels and consult a doctor for appropriate dosage, while treatments like finasteride are considered more effective for hair loss.

The user stopped finasteride while trying to conceive and is seeking alternatives to reduce hair loss. Suggestions include continuing minoxidil, using saw palmetto, alfatradiol, clascoterone, KX-826, microneedling, and keto shampoo, but safety during conception is uncertain.

A 23-year-old male has been using oral dutasteride and minoxidil for 1.5 years for temple recession, adding topical minoxidil and tretinoin 5-6 months ago, and recently adjusted thyroid medication and added iron supplements due to deficiencies. He noticed some baby hairs but no significant growth yet, and reports no shedding on dutasteride.