Dutasteride 0.5 mg significantly reduces both scalp and hair follicle DHT, with a greater reduction in hair follicle DHT. The discussion questions which reduction is more important for androgenetic alopecia and diffuse thinning.
Finasteride is prescribed at 1mg because it is FDA-approved and proven effective, despite evidence that 0.2mg may similarly reduce DHT. The 1mg dose is more effective for hair growth, and lower doses are less available.
Dutasteride may cause chronic infertility by reducing semen volume and motility, with concerns about irreversible prostate fibrosis. Users consider switching to finasteride or using treatments like minoxidil and microneedling, weighing hair preservation against fertility.
Cold showers may improve scalp health for some, reducing itchiness and dandruff, but may increase dandruff for others while improving hair texture. Individual experiences with cold showers and scalp health vary.
The conversation discusses the effectiveness of reducing DHT for hair loss treatment and explores alternative approaches like reducing androgen receptor sensitivity. Specific treatments mentioned include finasteride, dutasteride, pyrilutamide (KX-826), GT20029, and RU58841.