Radioimmunoassay of Minoxidil in Human Serum

Higher doses of dutasteride reduce scalp DHT more effectively than finasteride, but have diminishing returns after 3mg daily and may cause more side effects. Combining dutasteride with topical minoxidil can enhance results, but using both finasteride and dutasteride together is unnecessary.

A user has been using sublingual minoxidil for hair loss due to difficulty obtaining pills and is concerned about cancer risk from ethanol exposure. Other users advise against this method, suggesting topical application instead, and debate the potential risks of ingesting topical minoxidil.

Oral Minoxidil users discuss whether caffeine affects its effectiveness due to adenosine receptor blockade. Users report no significant impact on hair growth despite caffeine consumption.

A minoxidil solution with only ethanol and minoxidil may not be properly absorbed without additional ingredients like propylene glycol or vegetable glycerin. It's suggested to use a reputable brand and test the product for authenticity.

A 30-year-old male is considering switching from topical to oral minoxidil after two months of use on his temples, while also using dutasteride every other day. A user suggests oral minoxidil might be more effective but warns of potential side effects like fluid retention and lower blood pressure.

The user is experiencing diffuse thinning and their dermatologist recommended starting with oral minoxidil due to its safer profile. They are seeking opinions on whether to start with minoxidil or consider finasteride, and are concerned about potential side effects.