Each Sunburn Increases you risk for Skin Cancer. Your skin is like an elephant it never forgets the Sun Exposure of the past. Sun Burns and even sun exposure seem to heal but they leave damage that cause deterioration and even cancer decades later.
Be extremely careful when going to the beach, tanning or doing anything in the hot sun. Always make sure you wear your sun protection because you will potentially save yourself from skin cancer. UV rays hurt in MANY WAYS!