Methods for making UV screening compositions by combining benzoxazolyl benzene derivatives of formula (I): ##STR00001## wherein R.sup.1 is hydrogen, C.sub.1-20-alkyl or C.sub.2-20-alkenyl; R.sup.2 and R.sup.3 are independently a group --C(R.sup.4,R.sup.5)C(R.sup.6).dbd.C(R.sup.7,R.sup.8) (a) or a group --C(R.sup.4',R.sup.5')CH(R.sup.6')CH(R.sup.7',R.sup.8') (b), wherein R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8, R.sup.4', R.sup.5', R.sup.6', R.sup.7' and R.sup.8' are independently, hydrogen, C.sub.1-10-alkyl or C.sub.2-10-alkenyl, or C.sub.2-10-alkyl or C.sub.3-10-alkenyl containing at least one oxygen atom interrupting the hydrocarbon chain; or wherein R.sup.4, R.sup.5, R.sup.6, R.sup.4', R.sup.5' and R.sup.6' are hydrogen, C.sub.1-10-alkyl or C.sub.2-10-alkyl containing at least one oxygen atom interrupting the hydrocarbon chain, or alkyl substituted by silane or oligosiloxane moiety, and one of R.sup.7 and R.sup.8 or R.sup.7' and R.sup.8' is a silane or oligosiloxane moiety and the other one of R.sup.7 and R.sup.8 or R.sup.7' and R.sup.8' is hydrogen; and X is phenylene or naphthylene, or substituted phenylene or naphthylene with a cosmetic base. Methods of protecting a surface from UV radiation by applying a UV screening agent of formula I to a surface such as hair or skin.

 
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