Patent ID: 8557820

Claim:
A method for protecting human skin from browning and skin aging comprising applying to said skin an aqueous disperson comprising (a) a micronized sparingly soluble organic benzophenone derivative of formula (1), which is in the form of crystal modification (C), wherein the crystal modification (C) is characterized by a peak in the X-ray diffraction pattern obtained by X-ray diffraction on a powdered sample at room temperature under CU-K-rays [λ(CuKα)=1.5425Å] represented by the following spacings beween lattice planes: d [Å] Intensity 8.63 medium 7.81 Weak 7.32 medium 7.06 Strong 6.88 Weak 6.64 medium 6.27 medium 6.09 medium 5.98 Weak 5.56 Weak 5.38 Weak 4.89 weak 4.67 strong 4.54 medium 4.37 strong 4.33 strong 4.17 strong 4.11 medium 4.04 medium 3.92 medium 3.70 medium 3.52 weak 3.31 medium 3.26 medium 3.14 weak 3.01 weak 2.87 weak 2.70 weak 2.64 weak 2.51 weak 2.34 weak and (b) a dispersing agent selected from anionic, non-ionic and amphoteric surfactants.