turmeric + philippine lemon didn't work

yeah, for some reason the solution didn't do something on my acne.
however, as i research more and more about natural ways to get rid of my pimples, i came across sites that talked about lemon wash. some sites say you get a quarter lemon and squeeze it on lukewarm water then use the solution to wash your face in the morning and in the evening. i never followed this, however. instead, i took my philippine lemon, squeezed it in a small pot, took a cotton bud and put the lemon juice on my pimples. i did this almost every single night on a clean face (washed with my regular nivea foam wash). i left the juices to burn whatever bacteria there is on my face. it stung, and almost hurt much, especially when my pimples were still too many. but now, the pimples that used to be around 15 per cheek, have reduced to just max of three per cheek average for the last few weeks. today, i'm only treating one per cheek. isn't that cool?
uhm, diet, nothing really changed much. except that i took antibiotics the past week as i had molar extraction. i also started drinking lemon water (juice of two philippine lemons + glass of lukewarm water) every night and when i wake up. i got the info from researching toxins and body acidity. that maybe my pimples were because of my high body acidity. so i started drinking lemon water - which is alkali, and can help neutralize the acids in me. that probably helped, too. well, also i stopped using cosmetics for the past two months. that would be another reason. however, the bacteria in my face is currently looking for a "greener pasture". my chin, which used to be clear from everything - pimples, white heads, blackheads - none of that, is now being overtaken by blackheads. there's really not much of them yet, but whoa! i've never had blackheads there, or even on my cheeks. when i'm perfectly, physically fit to run/jog again, i will be getting back to it. i probably just need exercise.