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how do i get rid of these horrible blackheads?

have a bunch of horrible blackheads on my face back and chest. i don't really get pimples and when i do they're small. but these blackheads are really bad. i'm 12 but thank god no one really notices them. there are tons on my forehead, nose, chest, and back. i don't know what to do. i've tried so many things:
clearasil acne treatment cream with 10% benzoyl peroxide
clearasil acne pads with sacyclic acid
noxzema
aveeno clear compexion face wash
aceeno skin brightening scrub
st. ives apricot scrub
biore pore strips
neutrogena pink grapefruit scrub
even home remedies like:
yogurt for 20 mintues
massaging olive oil into my face
lemon juice
onions
patting tomatoes on my face
even mixing salt and water together and patting that on my face
and using toothpaste

None of these really worked! now i'm just using dial soap and some of my brother's perscribed benzaclin gel. its seems to work but i'm waiting to go to the dermatologist myself. my mom always forgets to make the appoinment though so i don't see it happening soon :/ i've had this since i turned 9 and almost nothing has worked! don't give me any home remedies or expensive products like Murad or proactiv or those home remedies like toothpaste please. just products you're sure that are absolutely garunteed to work but aren't expensive. i'll use something within the range of 10-15 dollars or less nothing higher cause i don't get much of an allowance anyways.
no links plz because they are slow when i try to open them on my computer.
i do pop them but they always seemed to get worse while i did that so now i just leave them alone...