Nonprescription medications are sufficient for most acne. If you can begin getting in the habit of overall skin care, over the counter solutions do an impressive job of clearing up acne as soon as possible.
Let me point out the differences in some of the non prescription solutions.
Resorcinol is well known OTC medication and is enough in many cases, especially when used in conjunction with other compounds such as sulfur. It functions by breaking down hardened skin, leading to better removal from the follicle and the area outside. That also produces less chances of clogging, a better factor in acne formation.
Don't use in conjunction with astringents such as alcohol.
One of the most popular - and most effective - treatments possible for mild acne, benzyl peroxide is used daily by millions. It works by helping fight the bacteria that is partly responsible for acne in the first place: Propionibacterium acnes. It also helps to get rid of dead skin cells from the area. If those don't rise up where they can be shed or washed off, they can build up, upping the chances of getting acne.
Benzyl Peroxide has been in use for decades so the advantages and disadvantages are well known. One possible side effect is too much drying of the skin. It can also bleach fabric, and so should be used with care when treating acne while doing a wardrobe change.
The odds of side effects can be lessened by using the proper amount. If a 2.5% concentration is working, don't assume that 10% is better, or will work sooner. Increasing the dose only increases the odds of side effects and no improvement.
Commonly sold in the form of pads, salicylic acid helps break down blackheads and whiteheads. It slows down the process of shedding dead skin cells inside the follicle, that will help delay build up. Helps stop bacteria accumulation in the sebum inside the pore, because it removes shedding dead skin cells. Also, it will be harmless and beneficial for you to use salicylic acid, because it is the active ingredient in aspirin.
I hope that helps. Now you know a little bit more about getting clear skin and keeping it that way. Make sure that you don't combine any of these treatments, unless your dermatologist has asked you to. Be sure and read the directions on what ever product you select and follow them carefully. If you find that after a couple of weeks your acne persists, or even gets worse, return to your dermatologist to let them know whats going on. They may recommend a more potent treatment, like a prescription medication.