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Micronutrient testing and deficiencies related to hair loss, particularly androgenetic alopecia (AGA). Discussion includes the impact of iron, selenium, zinc, copper, folate, B12, vitamin E, vitamin D, amino acids, and fatty acids, alongside treatments like dutasteride or finasteride.

A user applied tretinoin to their scalp for hair loss and found brown particles in the cream. They are seeking information about these particles.

The user has been experiencing prolonged hair shedding despite using Dutasteride, Minoxidil, and topical Finasteride, with blood tests showing high free testosterone and low SHBG. Suggestions include adjusting Minoxidil dosage, considering topical anti-androgens like RU58841, and addressing metabolic factors to increase SHBG.

A 38-year-old female is experiencing hair loss despite having almost undetectable DHT levels after using dutasteride. Suggestions include checking for PCOS, thyroid issues, adjusting diet, considering the impact of birth control, and trying treatments like tretinoin, redensyl, retinol, and minoxidil with derma stamping.

The conversation discusses struggles with diffuse thinning and hair loss treatments, including the use of dutasteride, minoxidil, and finasteride, with limited success. The original poster regrets having a hair transplant at 21 due to weak donor hair and ongoing thinning.

The user is concerned about potential alopecia areata. They are seeking advice on whether this condition is normal.

The user experienced hair shedding after increasing minoxidil from 5% to 7% with latanoprost, possibly causing telogen effluvium. They are on HRT with Lupron, Estradiol, and Raloxifene, and are concerned about the shedding's duration.

A young individual experienced early hair loss and tried various treatments including Minoxidil, RU58841, micro-needling, and topical finasteride, which stopped the hair loss but did not regrow hair. Ultimately, they found a solution in a hair system, which restored their confidence and allowed them to participate in social activities again.

The user is allergic to minoxidil and experienced severe itching and redness. They are considering alternatives like finasteride, dutasteride, and dermarolling for hair loss treatment.

Astaxanthin may cause increased hair shedding, affecting even transplanted hair and eyebrows. The user has tried various treatments for androgenic alopecia, including minoxidil, finasteride, and RU58841.

The user started using oral minoxidil and estradiol in August 2025, added finasteride in December, and experienced significant hair shedding in February/March. They switched to estradiol injections and are considering their hair washing routine, while another user suggested consulting a dermatologist and possibly trying dutasteride.

A 21-year-old with a family history of early balding is advised to see a dermatologist to confirm androgenetic alopecia (AGA) and consider treatments like finasteride or dutasteride to prevent further hair loss, and minoxidil, possibly with tretinoin, to regrow hair. Caution is advised with oral minoxidil, and a cardiologist should be consulted before use.

A 17-year-old is concerned that taking finasteride might affect facial bone growth and is considering switching to topical finasteride due to its reduced systemic effects. They are also using oral minoxidil and exploring other hair loss treatments like microneedling and ketoconazole shampoo.

The user is considering using CB or clascoterone for hair loss, potentially as an alternative to RU. They're also contemplating asking a dermatologist for topical clascoterone cream to apply to their temple.

A 17-year-old is concerned about hair thinning and unable to see a dermatologist for a year. They are advised to consider using topical minoxidil and possibly finasteride in the future.

A 19-year-old is experiencing worsening hair loss and severe seborrheic dermatitis despite using finasteride for six months. Nizoral (ketoconazole) is no longer effective, and they are seeking over-the-counter solutions and advice for an upcoming dermatologist visit.

Topical Vitamin D3 may stimulate hair growth and has been used for Alopecia Areata. There is a question about the lack of research on its use for Androgenetic Alopecia (AGA).

A person using Minoxidil, Finasteride, Microneedling, and recently added Tretinoin is experiencing heavy shedding and thinning hair. They suspect Tretinoin has made them respond to Minoxidil and are seeking others with similar experiences.

The user is experiencing hair shedding of different thicknesses/lengths and is using Nizoral, ciclopirox, and pyrithione zinc conditioner. They are concerned whether the shedding is due to these treatments, miniaturization, or their low-calorie diet.

Switching from finasteride to dutasteride worsened hair loss and caused a burning sensation. Users suggest sticking with finasteride, using ketoconazole shampoo, and consulting a dermatologist.

The user has been experiencing severe scalp itching and red spots after using finasteride for two years, suspecting possible allergies or a fungal infection. Despite trying ketoconazole shampoo and stopping saw palmetto supplements, the symptoms persist, leading to increased hair loss.

Transplanting mice skin to humans is not feasible due to immune rejection, but some suggest genetic modification or immune suppression could make it possible. Xenograft hair transplants are discouraged.

High estradiol levels may contribute to erectile dysfunction (ED) and can be addressed with lifestyle changes or medication. It's important to consult a medical professional for treatment options.

A 17-year-old experiencing hair thinning uses dermarolling with rosemary oil and plans to start finasteride at 18. A reply suggests using finasteride and minoxidil due to high DHT sensitivity.

A user started taking finasteride 1mg/day for hair loss but hasn't seen results yet. They also take vitamins and asked about adding minoxidil and the effectiveness of LLLT.

PP405 is moving to late-stage trials, showing potential for hair regrowth, with 31% of male patients experiencing a 20% increase in hair density. Veradermics is developing an oral minoxidil version, and there is interest in combining treatments for better results.

Tretinoin can cause non-telogen hair loss in some men by inducing catagen-like changes in hair follicles and through retinoid toxicity, especially when used with minoxidil. Some users report hair loss even when using retinoids on the face, while others experience benefits when combined with treatments like finasteride and minoxidil.

The user is experiencing diffuse thinning and has tried treatments like topical and oral finasteride, oral dutasteride, topical minoxidil, microneedling, melatonin, and caffeine without success. Despite using these treatments for over four years, the user reports continued hair thinning and is considering trying RU58841.

The conversation discusses using estradiol mesotherapy to replicate hormone replacement therapy results while minimizing systemic exposure. It also covers the use of Spironolactone cream, which reportedly has no systemic side effects, and the potential risks of using bicalutamide and Spironolactone in men.

User discusses verteporfin for hair regrowth through "super microneedling" and preventing scarring. They mention a case of an old man regrowing hair after a head injury and suggest verteporfin could recreate this result.