Use broad-spectrum sunscreen daily on exposed skin
Avoid picking, scratching, or rubbing the marks
Keep the skin moisturized with a gentle fragrance-free lotion
Use gentle cleansers and avoid harsh scrubs
Try topical ingredients like niacinamide, vitamin C, azelaic acid, retinoids, or glycolic acid
Treat the original cause, such as acne, eczema, insect bites, or friction
Exfoliate mildly and not too often
Wear loose clothing to reduce friction
Use products consistently for several weeks to months
See a dermatologist if the marks are spreading, painful, itchy, or not improving