i used to use a homeopathic remedy called tissue salts... they are little chewable pretty much tasteless tablets that you take a couple of times a day, depending on how serious your pimples are. they work a treat to clear up skin and heal existing blemishes. i think the instructions are six times a day for severe cases, but i know if i had a pimple and an event i wanted it gone for, i would take one every half hour to get rid of it. i found they really worked. it is 'Combination D' skin disorders tissue salts (they have them for every ailment u can think of) and you get them from health food stores for around $8 for a bottle of enough to last ages.

the brand is martin and pleasance and if u type that into google it will give you info.

they are worth a shot, honestly.