Disclosed is the use of the compounds (A) corresponding to formula wherein R1 represents C6-C24alkyl; R2 is hydrogen; or C1-C4alkyl; R3 is a radical of formula (1a) *—(CH2)n1—R4 R4 is a heterocyclic or aromatic radical comprising 4 to 6 carbon atoms which can contain from 1 to 3 nitrogen and/or oxygen atoms; n1 is a number from 0 to 5; or R2 and R3 together with the linking nitrogen atom form a heterocyclic radical comprising 4 to 6 carbon atoms which can contain one or more oxygen or nitrogen atoms; as solubilizing agent for organic UV filters (B) selected from (B1) benzophenone derivatives, (B2) hydroxyphenyl triazine derivatives; and (B3) trianilino-s-triazine derivatives.