I am a 19 year old girl and I have suffered with acne for 2 years. I have never had any cystic acne and thankfully don't have any scars. I would consider myself to have mild-moderate acne but it was only on my cheeks. Like i said it wasn't cystic and no scarring or anything but it was chronic! There wasn't a day that went by when i had no pimples. I have tried 2.5%, 5% and 10% benzoyl...