Acne are common in age group of 14-25 yrs. in some cases these are mild and in some these are problematic .There are lots of changes happening inside our body at this particular age group and  These are due to hormone changes, stress in life, Infection of sebaceous glands, and unhealthy life style and irregular diet....To avoid acne you can take some precautions your self  like avoid food with high oil and cholesterol take food with a high vitamin A , vitamin E and C contents. Drink lots of water. Regulate your daily activities, lower down your stress, increase sleep and do some Yoga and exercise daily. Regular cleaning of face and application of gentle moisturizer at night will help you and use Medicated mild soap for face wash.