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Proscar half life is 6 hrs (if you are young and have good liver function). If you are older and your liver function is marginal the half life is longer ie 8 hrs. Having said that, the effect of finasteride may last 5-6 days after stopping it due to the duration of its blocking effect on the receptors. Minoxidil topical is used once or twice a day. That implies that the half life is about a day. Some sources report 22 hrs.
The half-life of finasteride is 4.7 to 7.1 hours per the pharmaceutical company's mechanism of action. There is a half life for minoxidil when ingested which is 4.2 hours. When minoxidil is applied topically the half life on the scalp is approximately 22 hrs and there is a small amount of systemic absorption.
The half life for Proscar (finasteride) is 4-6 hours in the blood spteam but it fixes to the receptors in the hair follicles for up to a week. Minoxidil is a topical, so it does not really have a half life unless you take it as a pill.
Propecia and Proscar are essentially the same drug ie Finasteride. Finasteride reduces the production of Dihydrotestosterone (DHT). Excess DHT causes miniaturization of the hair follicle, resulting in hair becoming very short and fine over time before falling out. The only difference be...
Nizoral (Ketoconazole) 2% shampoo is an antifungal medication which has been proven to have multiple positive effects on the hair itself. Ketoconazole is effective in reducing scalp inflammation in scalp/skin conditions such as seborrheic dermatitis, dandruff and tinea versicolor. It has be...
There have been case reports citing Nizoral has a strong anti-androgen property which is responsible for blocking/inhibition of androgen (testosterone and DHT) receptors. Minoxidil is comparable to Nizoral. However finasteride is more effective than both for male patterned baldness. Using ...
Finasteride helps to maintain the hair you currently have. However, once you stop using it the hairs that you would have lost (without using finasteride), will eventually fall out. You will get to the point you would have been had you never taken the finasteride. This drop out will occur sl...
Acne is not related to male pattern balding. Masturbation is also not the cause. You may want to see a doctor for a better understanding of your hair loss rather than speculate on non-related issues.
If you believe your medication is not working and you are losing more hair it is best to contact your doctor.
