Blistex Medicated Berry Lip Balm helps prevent dryness and chapping. Its easy glide formula also soothes irritated lips. For rry, Chapped Lips, Blistex Lip Balm has three long-lasting protectants, and it seals in lip moisture to prevent drying of lip tissue. It glides on comfortably to provide complete coverage and avoid further irritation of chapped lips. Blistex Lip Balm also provides SPF 15(Sun Protection Factor) protection.