Treat your lips. Since skin cancer can form on the lips, apply a lip balm or lipstick that contains sunscreen with an SPF of 30 or higher before going outdoors. If your lips feel chapped or dry, apply petroleum jelly for added moisture.
Keep your hands off your face. Whenever you touch your face, you transfer dirt, germs and oil from your hands to your face. Do your best to leave your skin alone throughout the day. Avoid picking, popping or squeezing pimples, as this can cause scarring.