| abstract |
(57) A compound which can be used for the preparation of a light shielding composition, particularly for the preparation of a cosmetic composition useful for protecting human skin from irradiation with sunlight. A method of preparing the same, and a light-shielding composition containing the compound as a light-shielding agent. SOLUTION: General formula I (Wherein W 1 , W 2 and W 3 are each independently C 1- Alkyl or SpSil group C 2 0, X 1, X 2 and X 3 represents O or NH independently, S p represents a spacer group; Sil represents a silane, oligosiloxane or polysiloxane moiety; provided that at least one of W 1 , W 2 and W 3 is SpSil Which means). |