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The conversation discusses using cetirizine (Zyrtec) topically to relieve scalp itch associated with hair loss and suggests it may also benefit androgenetic alopecia (AGA). One person found relief from scalp itch after three months on finasteride, noting the itch was linked to areas where hair was lost.

A US federal judge ruled that using patients' stem cells for medical treatments is not under FDA jurisdiction, potentially speeding up development of stem cell-based hair loss therapies. Some users are optimistic about increased research and development, while others express skepticism about the ruling's impact on safety and efficacy standards.

The conversation discusses hair loss treatments, specifically using topical finasteride and minoxidil combined with microneedling, along with supplements like collagen, vitamin C/D, and saw palmetto. The user also mentions using a DHT-blocking shampoo and experimenting with cold showers and contrast therapy for hair health.

The conversation is about the FDA approval of WINLEVI for acne treatment and the anticipation of Breezula, a hair loss treatment using the same active ingredient, which may indicate a positive future for Breezula's release. There is disappointment that Breezula's results are not optimal, but it is seen as progress in hair loss treatment.

Woman uses antiandrogens for hair thinning prevention, experiences severe dry eye with finasteride. Asks if dutasteride could be better despite potential for worse dry eye.

Dutasteride mesotherapy may stabilize hair loss and improve hair without significantly affecting serum DHT levels, but it can still have systemic effects. Users discuss using topical and oral dutasteride, with some experiencing side effects and considering hair transplants.

Elevated PGD2 levels in bald scalp tissue may contribute to hair loss, and treatments like castor oil, finasteride, and minoxidil are discussed as potential solutions. Some users explore alternatives like oral castor oil and cetirizine for those who cannot use finasteride.

Topical finasteride with hydroxypropyl chitosan shows significantly less serum absorption and minimal DHT reduction compared to oral finasteride. Users need the specific chitosan formulation to avoid side effects seen with regular ethanol+PG solutions.

Hair loss is often linked to inflammation and DHT, with treatments like finasteride, dutasteride, and minoxidil being effective for many. Natural remedies like turmeric and oils are discussed, but medications are generally seen as more reliable for managing genetic hair loss.

HMI 115 did not work as expected for hair regrowth in humans, unlike in macaque monkeys. There is anticipation for further research on prolactin's role in hair loss, with expectations that pharmaceutical companies will likely solve this before universities.