Consult u're dermatologist and find out the cause of u're acne first. He may prescribe a dose of anti-biotics and over-the-counter acne medication, Cure u're acne first and then worry about the scars!
Keep u're hair off u're face
Keep u're hands off u're face
Wash u're face with an anti-bacterial facewash
Change u're pillowcase often
Cure dandruff if you have any
Dont squeeze any part of u're face.
Once u've treated u're acne and stop breaking-out then try sessions of micr-dermabraision and home-remedies for the scarring.