ISDIN Lip Protector SPF 50 4g is a high-protection lip balm designed to shield delicate lips from harmful UVA and UVB rays. Its advanced formula includes broad-spectrum sunscreens like Octocrylene, Ethylhexyl Salicylate, Butyl Methoxydibenzoylmethane (Avobenzone), Ethylhexyl Triazone, and Diethylamino Hydroxybenzoyl Hexyl Benzoate (Uvinul A Plus), ensuring effective sun defense. Enriched with Shorea Stenoptera Seed Butter, Bisabolol, and Tocopheryl Acetate (Vitamin E), it provides antioxidant protection and soothes irritation. Emollients like Ricinus Communis (Castor) Seed Oil and Lanolin deeply moisturize, while Carnauba Wax offers a smooth application. This non-greasy balm is ideal for daily use, keeping lips soft, hydrated, and protected from environmental aggressors.