when i was younger i would take a lemon and cut it in half and rub the juice on the acne let it set for 5 minutes then wash my face. it helped more than anything.

Wash your face with B&D Alcohol swabs 4 times per day
http://www.amazon.com/gp/product/B001IKKHFO

Acne is related to increased hormonal activity during adolescence. This will go away after some time. Intake of chocolates, milk and fatty food adds to acne. Deficiency of Vitamins A and E also referred to as causes in some cases. Keep your skin clean by frequent washing.

Go to Walmart or a wholefoods store and buy a small bottle of Tea Tree oil, costs about $8.00 and requires no prescription. Dab it directly to your pimples several times a day. Do not get it in your eyes!!
Tes Tree oil is a natural oil and is effective in treating insect bites, burns and skin infections. Google it for more information.

Wash your face with soap, and if you feel like paying a little for a way that really really works then buy proactiv.

Wash your face three to four times a day (or more) with White Dial soap. Follow with witch hazel on a cotton ball. Don't put anything else on your face, just keep it clean with these two items. They aren't free but much cheaper than all of the "acne wonder products" out there. When you are away from home and can't wash, buy witch hazel wipes at the drug store and wipe your face with them often. By the way, this is what my girls' pediatrician had them do when they started getting acne. I didn't just think it up.

I don't think there are any homemade cures. My husband used to have acne. He went on ProActive for just one month. The acne disappeared and hasn't been seen since. This was one year ago. Salaam

Toothpaste (the paste kind, not the gel) works for sure. Put a little dab onto the spot & let it dry over night. Wash your face in the morning & at night EVERY DAY! I'm 22 and if I miss a few days my acne returns. If you can, get some samples of Differen3 from your dermatologist - free samples of course - this stuff clears it in 2 days!

The only guranteed cure is to gain confidence and stop caring about it. Don't let it affect your mood.

if your a boy, i dont know, if your a girl birth control, it works magic wonders. i had the most scarred disgusting acne you can imagine and when i was 16 i took it and it cleared like no tomorrow.