hi sir,i wnt to one of the famous dermatologist who prescribede isotroin20 for 5 mthns,results were awesome my skin wdn a month was wdot marks and was glowing bt ,i lost dat prescription he gave me othr medicine to take fpor 9 days along wd isotroin,i left dat city and contacts of dat doctor bt i wanna start it isotroin20 again bcoz i stoppd taking it after a month so which tablet alonhg wd isotroin20. i shud take,,,is it safe???