Follihair is safe as it is nutritional supplement, tugain - minoxidil
is also used for hypertension
as it lowers blood pressure but in abnormal BP cases, then topical scalp application doesn't let it go too much into systemic blood circulation, so it's safe. Finax or finasteride
works through testosterone
and one may get literature on net that it decreases potency or other sex characters but at the dose of 1 mg , these side effects are not observed in studies even after continuous use for more than 1 yrs. so go ahead with the treatment - its the standard treatment protocol for male pattern baldness
. Although u need to use it continuously for persistent results.