The invention relates to emulsions containing (a) at least one UV sunscreen factor, (b) at least one compound of formula (I) where R1 is II or CII3 and R2 is II or COOII or salts thereof, (c) at least one emulsifier, and optionally (d1) a carrier and/or (d2) an oil body, providing that the emulsions have a droplet size at which the D50 value ranges from 0.1 to 100 μm.