Meanwhile, persistent scars may require prescription medication or an in-office procedure from a dermatologist. Acne scars develop when your body produces either too much or too little collagen ...

However, all hope isn’t lost: Medical and at-home treatments can help certain scars blend into the skin and make them less noticeable, according to dermatologists. Scar type and any color ...

≥6 months: apply at least 3 times daily. New scars: use for 8 weeks. Existing scars: use for 3–6 months. Sunscreen use: apply 15 mins before sun exposure; reapply every 2hrs.