Use a daily broad-spectrum sunscreen SPF 30 or higher
Apply a retinoid at night
Use vitamin C serum in the morning
Try niacinamide serum
Use azelaic acid
Exfoliate gently with salicylic acid or glycolic acid
Keep acne under control to prevent new scars
Use silicone gel or silicone sheets for raised scars
Consider microneedling
Consider chemical peels
Consider laser resurfacing
Consider prescription treatments from a dermatologist
Avoid picking or squeezing pimples
Use a gentle cleanser and non-comedogenic moisturizer
Stay consistent for several weeks to months
See a dermatologist for deep, pitted, or dark scars