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Higher doses of dutasteride, such as 2.5mg, are more effective at reducing scalp DHT than 0.5mg, but are costly and inconvenient. A 1mg dose is considered a more affordable and practical option, though its efficacy is uncertain.

The conversation is about a person struggling with inconsistent hair styling due to thinning hair, despite being on hair loss medications. They find that ketoconazole 2% shampoo helps, but conditioning makes their hair look worse; others suggest staying consistent with treatment and using hair fibers for events.

A user shared their frustration about their cousin's refusal to take their advice on using finasteride for aggressive hair loss, despite the cousin's desperation and current use of minoxidil and consideration of PRP injections. The user, who has done extensive research, suggested the cousin needs a 5ar inhibitor, but the cousin dismisses the advice because the user isn't a doctor.

The conversation suggests that changing diet and lifestyle has little to no effect on male pattern baldness (MPB), which is largely determined by genetics. Some individuals noted personal improvements in hair condition with healthier diets, but the consensus is that diet alone cannot prevent or reverse MPB.

Androgenic alopecia (AGA) might have evolved to reduce prostate cancer risk by increasing UV exposure to the scalp, but this theory is debated. Treatments like minoxidil and finasteride are used for AGA, though the exact causes and evolutionary reasons for hair loss are unclear.