Therefore, over 50 percent expose their lips to harmful UV rays.Renew Elle Cream Don't forget to look after your lips. Use lip balm that contains sunscreen. The sensitivity of lips is high, so the right protection must be in place. Roughly 47% of folks use lip balm that protects against UV rays, and therefore over half leave themselves vulnerable to those rays.Renew Elle Cream Make sure to look at the label on your favorite bottle of sunscreen. Sunscreen ingredients vary widely.