Often get acne on my chin,what can I do to improve it

How old are you? How's your diet, and what kind of environment are you in? How often do you clean your face and with what? I think it helpful to know what it is FIRST. (https://en.wikipedia.org/wiki/Acne)

Kind of nerdy but a routine doctor visit can break it down with your individual circumstance and lead you to a remedy or change that can help. There are as many factors that contribute as their are treatments.