title: Sunscreens. Topical and systemic approaches for the prevention of acute and chronic sun-induced skin reactions.
abstract: In this article, practical and clinical aspects of photoprotection are discussed with emphasis on topical sunscreens. Protection against the adverse effects of sunlight includes prevention of the following: sunburn in normal individuals; acute phototoxic and photoallergic reactions; chronic skin damage (dermatoheliosis) and skin cancer; and specific disease-oriented responses (such as porphyria or polymorphous photodermatitis).
mesh_terms: D010129:4-Aminobenzoic Acid / Q000008:administration & dosage / Q000009:adverse effects; D000284:Administration, Oral; D000287:Administration, Topical; D006801:Humans; D007271:Injections, Intradermal; D008543:Melanins / Q000502:physiology; D010787:Photosensitivity Disorders / Q000517:prevention & control*; D012867:Skin / Q000528:radiation effects; D013471:Sunburn / Q000517:prevention & control; D013472:Sunlight / Q000009:adverse effects; D013473:Sunscreening Agents / Q000008:administration & dosage*
chemical_list: D008543:Melanins; D013473:Sunscreening Agents; D010129:4-Aminobenzoic Acid