Use a gentle cleanser twice daily
Apply sunscreen every day
Use topical retinoids
Use vitamin C serum
Try niacinamide products
Use azelaic acid
Apply salicylic acid
Use alpha hydroxy acids
Keep skin moisturized
Avoid picking or squeezing acne
Use silicone gel for raised scars
Try chemical peels
Consider microneedling
Consider laser treatment
Consider dermal fillers
Consult a dermatologist for persistent marks