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PP405 is a topical gel being tested for hair regrowth in adults with androgenetic alopecia. Volunteers aged 18-55 are needed for a 16-week trial in several US locations.

Androgenetic alopecia is affected by scalp DHT levels, not sensitivity, with treatments like finasteride and dutasteride aiming to optimize these levels. Personalized DHT management is crucial for effective hair growth.

A user shared their experience using dutasteride for hair loss, noting subtle improvements and thicker hair without significant regrowth. They did not use finasteride or minoxidil, and experienced occasional shedding but no side effects.

The conversation discusses the fluctuation of testosterone levels in men under 40 and the difference between serum DHT and scalp DHT. It also mentions that DHT levels are higher on Dutasteride than on Finasteride, which is unusual.

Many users experienced increased diffuse thinning after starting finasteride, with some switching to dutasteride or adding minoxidil in hopes of improvement. Thyroid issues and low ferritin levels were also discussed as potential factors affecting hair loss.

A 23-year-old male experienced significant hair regrowth and increased libido after switching from oral finasteride to 0.5 mg oral dutasteride and 2.5 mg oral minoxidil, following hair loss induced by a testosterone cycle. He reported initial shedding and decreased libido with finasteride, but no side effects with dutasteride, and noted improvements in hair density, temple regrowth, and reduced acne.

A user shared their 9-month progress using RU58841 at 2% daily for hair regrowth, initially starting at 5% but reducing the dose due to early signs of gynecomastia, which has since mostly resolved. They achieved their goal of regrowing hair at the temples and hairline.

A 24-year-old experienced initial success with finasteride, Rogaine, and Nizoral for hair loss but noticed a decline after 1.5 years. Despite concerns about side effects, they decided to try dutasteride after consulting with a dermatologist.

The conversation discusses managing hair loss and scalp issues, with users sharing experiences using treatments like dutasteride, finasteride, ketoconazole, sulfur soap, and topical anti-androgens. Suggestions include trying sulfur soap, scalp massages, spironolactone, and dietary changes to reduce sebum production and dandruff.

OP used finasteride 1mg and 2.5mg oral minoxidil since late April, showing hair improvement despite some initial libido issues. Users discussed side effects, costs, and alternative treatments, with OP noting increased facial hair but no significant body hair growth.

The user experienced significant hair regrowth using finasteride, minoxidil, and other treatments but faced side effects like reduced libido and erectile issues. They are considering switching to Adgain Plus to improve hair health without affecting sexual health.

The user is concerned about high DHT levels despite using finasteride and dutasteride for hair loss, suggesting these treatments may not be effective. They plan to consult an endocrinologist and consider other antiandrogens, acknowledging potential side effects.

A 20-year-old male experienced significant hair regrowth after 6 months using oral dutasteride, topical minoxidil, and tretinoin. He noted side effects like occasional watery semen, lower libido, better erections, and no more acne.

A user shared their 16-year hair loss journey using finasteride and minoxidil, noting slow hair thinning despite a family history of severe balding. They switched from topical to oral minoxidil but stopped for personal reasons, experiencing no significant side effects from finasteride.

A 22-year-old male experienced significant hair regrowth after five months using 1mg finasteride and 5mg minoxidil, with plans to switch to dutasteride. He reported emotional changes and thicker eyebrows and eyelashes as side effects.

A 20-year-old is experiencing severe hair loss and is considering using dutasteride and finasteride, worried about potential side effects. They feel depressed and isolated due to hair loss, and are exploring options like hair transplants and hair systems but are hesitant about faking it.

A 26-year-old man shared his 2.5-year hair regrowth progress using minoxidil and finasteride, initially experiencing side effects but later continuing treatment with no issues, resulting in improved hair. He lifts weights and wrestles weekly, plans to continue treatment indefinitely, and has had no hairline issues, only diffuse thinning.

A 31-year-old individual started taking finasteride 24 days ago to address hair thinning and loss, which has worsened their mood and stress. They have not yet added minoxidil and are experiencing significant shedding, contributing to sleep issues and insecurity about their hairline.

A 30-year-old man experienced significant hair regrowth and improved libido after using finasteride and dutasteride for androgenetic alopecia, with no adverse effects. He plans to reduce dutasteride dosage when trying to conceive and has been using topical minoxidil since 2015.

Finasteride improved the user's hair texture and growth, with some initial side effects like libido loss that eventually subsided. The user advises considering lifestyle factors alongside treatment and encourages others to start finasteride if hesitant.

A 20-year-old started finasteride two weeks ago for hair loss at Norwood 2 and is seeking experiences from others who began treatment at a young age. The discussion focuses on age-related experiences with finasteride.

A 22-year-old male shares his 2-month progress using a regimen of 0.5mg dutasteride daily, 1.5mm dermarolling weekly, a daily multivitamin, and a topical serum with 10% minoxidil and 0.1% finasteride. He reports impressive hair regrowth, especially at the hairline, and has experienced no sexual side effects.

A 28-year-old man saw hair regrowth after 1.5 years using a topical treatment combining 0.3% finasteride and 6% minoxidil. He initially experienced anxiety with oral finasteride but had no side effects with the topical version.

The effects of Finasteride on hair loss and its side-effects, such as aching balls. The user has been taking it for two years with no changes to the symptom.

A 28-year-old man is considering whether to proceed with a hair transplant in February or continue using oral minoxidil, finasteride, and dermastamping, which have shown great progress in 3.5 months, to achieve desired results by his wedding in September 2026. Most responses suggest postponing the transplant to avoid potential "shock loss" and relying on the current treatment and hair fibers for the wedding.

Finasteride can reduce DHT in the genitalia, potentially causing side effects like reduced erections and penile fibrosis. Using PDE5 inhibitors like Tadalafil or Sildenafil may help maintain penile health and prevent fibrosis.

A 19-year-old male is experiencing hair loss and has been prescribed finasteride by a Telehealth company. He plans to start finasteride, improve his lifestyle, and take supplements like DIM and Zinc to manage potential side effects.

The user reports some hair regrowth after four months of using finasteride and minoxidil chewables, noting baby hairs but no significant change in the hairline. Others encourage the user to continue the treatment, with some expressing regret for not starting earlier.

Switching from finasteride to dutasteride led to significant hair regrowth and thickening for the user, who also uses ketoconazole shampoo. The user experienced increased libido and encourages others not to be discouraged by negative opinions about dutasteride.

The conversation discusses the delay in the PP405 Phase 2 study results, now expected by the end of 2025, and skepticism about research practices. There is also mention of optimism for Amplifica's AMP303 and a topical treatment in early testing.