Lots of people suffer with pimples on the chest and back area. One means to prevent acne naturally would be to wear loose clothing. It may trap sweat too near skin when you put on a a decent shirt. This lead to clogging of the pores which may trigger acne and could possibly irritate the skin. Now, you never need to use some thing that is falling off of you but just wear without being restricted, some thing that fits comfortably.