Banana Boat Sport Sunblock Lip Balm SPF-30, sweatproof and waterproof, is made with aloe vera to help seal in moisture and vitamin E to help soothe your lips. This all season lip protector helps prevent and relieve dryness, cracking, peeling and chapping. Its SPF 30 helps defend lips from harsh ultraviolet rays. Regular use of this product may help prevent premature aging of the skin and skin cancer, due to long-term overexposure to the sun.