Using sunscreen is very important.Procedures like peeling makes your skin more sensitive.You are suceptible to sun damage even while indoors.Radiation from laptops, light bulbs  etc can cause tanning.Apply suncreen daily.Reapply it every 4 hours.Protect yourself from exposure to direct sunlight in the form of caps scarfs umbrellas etc.If you have dry skin you can use a moisturizer.Use vitamin C serum at night for a glowing skin