Hi acne is one of the major problems that are faced by teenagers.It is
depressing too1I also sailed in the same boat when i realised the
cure.
Exercise a must
eating right food ,avoid junk food.
apply only products from kitchen shelf if you wanna apply any though!
keep your skin out of your hands ,dont touch your skin.
For many natural treatments this link can be useful
http://skinfacts.blogspot.com/