Photoprotective fine emulsion of oil-in-water type - to - water, its process of manufacture and its use in the fields, and dermatological composition

摘要

Fine oil-in-water emulsions in which the globules of oil have a mean size no more than 500 nm, containing particles of ionic polymer and a UV filter system comprising a 4,4,-diarylbutadiene UV-A filter. Independent claims are also included for the preparation of the emulsion and its uses.