Light screening composition containing a polysiloxane type UV-B screening agent and a benzimidazol type UV-B screening agent

摘要

The invention relates to a cosmetic light screening composition containing in an aqueous phase about 0.5 to 10 wt% of 2-phenylbenzimidazol-sulphonic acid or a salt thereof and at least one fatty phase, comprising about 1 to 30 wt% of a linear or cyclic polysiloxane compound of the general formula Ia or Ib, <CHEM> wherein X signifies R or A; A signifies a group of the formula IIa, IIb or IIc; <CHEM> R signifies hydrogen, C1-6 alkyl or phenyl; R<1> and R<2> each independently signify hydrogen, hydroxy, C1-6-alkyl or C1-6-alkoxy; R<3> signifies C1-6-alkyl; R<4> signifies hydrogen or C1-6-alkyl; R<5> and R<6> each independently signify hydrogen or C1-6-alkyl; r has a value of from 0 to 250; s has a value of from 0 to 20; r +s has a value of at least 3; t has a value of from 0 to10; v has a value of from 0 to10; and v+t has a value of at least 3; n has a value from 1 to 6; with the proviso that in the case that s is 0 at least one X is A.