Acne scars can ruin your facial beauty and therefore you need to work on it immediately. Onions are well known for adding taste to various dishes but it also has antimicrobial and anti-inflammatory properties that treat internal ailments. Onion extract also controls collagen production that is also useful for clearing celluloid scars. Try onion mask that you can use to gradually heal all the acne scars. While anti-acne lotions work from outside to eradicate acne issue onions work from inside out to ensure that the scars are gone naturally and it also adds toning effect to offer smooth skin in the future.