well you could buy face wash and strips. Also keep your face clean because acne is formed by the oil on your skin clogging your pores. Also if you wear makeup you can buy ones that have acne medicine inside them.
Use toothpaste on effected area overnight. Or you can mix salt and water and put it on the effected area. Wash your face 2 times a day. You will achieve good skin overnight. You will achieve great skin in a week. You will achieve flawless skin in a month. Follow these steps. Tips-use ice,drink water,eat fruits and lead an healthy lifestyle.