Dùng sữa rửa mặt nhẹ dịu. Thử dùng các loại kem bôi và lotion không kê toa. Tránh xa các chất kích ứng.

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
The same facial cleansers used for acne on your face can generally be applied to any part of the body that's prone to acne outbreaks. If you know that you tend to get a lot of acne on your back, for example, you may want to try using a facial cleanser specifically for your back on a regular basis to help prevent future outbreaks.  Facial cleansers help remove dirt, sweat, body oil, and anything else that might clog your pores.  Choose a gentle cleanser that won't irritate or damage your skin. Ev