Unfortunately, scars or marks can sometimes be caused by acne, especially if spots or pimples are picked or squeezed. The scars sometimes caused by acne can be removed by dermabrasion or laser treatment, which are treatments that are carried out by a dermatologist or a plastic surgeon. For less serious scars and marks caused by acne you may wish to try Bio-Oil, it has been shown to be highly effective in improving the appearance of scars and marks.