Reduce friction by wearing loose, breathable clothing
Keep the area clean and dry
Exfoliate gently 1–2 times per week
Use a moisturizer with lactic acid, urea, or glycolic acid
Apply niacinamide or vitamin C products
Use sunscreen on exposed inner thigh skin
Avoid harsh scrubbing and irritating products
Maintain a healthy weight if excess friction is a factor
Treat shaving-related irritation with a gentle shaving routine
Use anti-chafing products if thighs rub together
Consider topical retinoids if recommended by a dermatologist
See a dermatologist for persistent or sudden darkening
Get checked for underlying causes like insulin resistance or hormonal issues