How to Conceal Acne Scars. Acne Scar can be concealed by makeup, however, one has to do it professionally to get better results .  Procedure for concealing scars is as follows:- Procedure for Red and Purple/Grey Acne Scar Marks Step 1: Dab on your color corrector with either your finger or a brush and blend well.… Read More How to Conceal Acne Scars