Use a broad-spectrum sunscreen every day
Cleanse your face gently twice daily
Exfoliate 1 to 3 times per week
Use a vitamin C serum in the morning
Apply a moisturizer suited to your skin type
Get enough sleep each night
Drink plenty of water
Eat a balanced diet rich in fruits and vegetables
Reduce stress
Avoid smoking
Remove makeup before bed
Use products with niacinamide or alpha arbutin
Consider retinoids at night if suitable for your skin
Protect your skin from sun exposure
See a dermatologist for persistent dullness or pigmentation