Seals in moisture. To soothe & prevent dry lips. Smooth easy-gliding protection. Blistex Berry Lip Balm helps prevent dryness and chapping. Its easy glide formula also soothes irritated lips. Dry, Chapped Lips: Blistex Berry Lip Balm has three long-lasting protectants, and it seals in lip moisture to prevent drying of lip tissue. Blistex Berry Lip Balm glides on comfortably to provide complete coverage and avoid further irritation of chapped lips. Sun Protection: Blistex Berry Lip Balm provides SPF 15 protection, which is recommended even for people who burn easily and tan minimally. The liberal and regular use of this product may help prevent premature signs of aging, freckling, uneven coloration and overexposure to sun. Remember, lips don't tan, but they do burn.