Use a gentle, fragrance-free cleanser daily
Exfoliate lightly 1 to 2 times per week with a mild chemical exfoliant
Apply a moisturizer with ingredients like niacinamide, lactic acid, or urea
Avoid tight clothing and friction from chafing
Keep the area dry and reduce sweating when possible
Use sunscreen on exposed inner thigh skin
Consider over-the-counter brightening products with niacinamide, azelaic acid, or vitamin C
Patch test any new product before regular use
Stop using products that cause burning, redness, or irritation
Consult a dermatologist for persistent darkening or prescription options