Citric acid is a best acne treatment for acne problem. Just cut the lemon pieces into two halfs and apply the lemon halfs on the affected areas. Preferably apply it before you go to the bed. If more juice quantity Is required simply squeeze it while you are rubbing the pieces on lemon. Oregano oil is another best acne treatment, and it is an effective disinfectant. The oil of oregano kills the bacteria that are present on the skin. Simply purchase some amount of tea tree oil from your food or health store and apply it to your skin before going to bed. Even the basic table salt is considered the best acne treatment, just take some amount of table salt and mix into warm water. Rub the mixture on your skin or effected area and approximately do this job for one minute. After doing so rinse your whole face it can be an effective way to reduce the acne problem.