The next step for acne cure and treatment is about the balance of pH. You need to know that BHA is around 3.5 and for AHA it should have pH around 3 to 4. If it is higher, then it would never be effective for your skin, meanwhile if the pH is lower however it could make your skin getting irritated. For BHA it is rich of exfoliate which will be the helpful way to kill any bacteria or white heads and even blackheads. For benzyl peroxide, it is work for killing bacteria and could be the spot treatment for you.
AHA is working for the surface of exfoliating but somehow it could work for your acne because it could renew and unclog your skin. Sulfur could be your choice for treatment related to acne if you think that nothing work for you, then you could try to have this one. You could also get prescription retin – A which could work for curing acne. Or even you could have the natural way that is by washing your face for around two times a day as the way for natural acne treatment.