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; R1 and R2 each independently signify hydrogen, hydroxy, C1-6-alkyl or C1-6-alkoxy; R3 signifies C1-6-alkyl; R4 signifies hydrogen or C1-6-alkyl; R5 and R6 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.
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机译：本发明涉及一种化妆品光屏蔽组合物，该化妆品光屏蔽组合物在水相中包含约0.5至10重量％的2-苯基苯并咪唑磺酸或其盐和至少一种脂肪相，该脂肪相包含约1至30重量％的线性或环状。通式Ia或Ib的聚硅氧烷化合物，其中X表示R或A; A表示式IIa，IIb或IIc的基团; R表示氢，C 1-6烷基或苯基; R 1和R 2各自独立地表示氢，羟基，C 1-6-烷基或C 1-6-烷氧基; R 3表示C 1-6-烷基; R 4表示氢或C 1-6-烷基; R 5和R 6各自独立地表示氢或C 1-6-烷基; r的值是0到250; s的值为0到20; r + s的值至少为3; t的值为0到10; v的值为0到10; v + t的值至少为3; n的取值范围是1到6;前提是在s为0的情况下，至少一个X为A。
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