Water-in-oil emulsified cosmetic composition comprising a powder that is produced by subjecting a zinc oxide powder (A) having an average particle diameter of 0.1 to 1 µm, an average particle thickness of 0.01 to 0 , 2 μm, and an average aspect ratio of 3 or more to surface treatment with a silane or silazane compound having a fluoroalkyl or C1-20 alkyl group and having reactivity with an inorganic oxide, the composition further comprising a zinc oxide powder (B) having an average particle diameter of 0.01 to 1 μm and an average aspect ratio of less than 3, in which the weight ratio of (A) to (B) , (A / B), is 1/2 to 10/1, and a silicone modified with polyether (C), in which - the average particle diameter is obtained as the arithmetic average of the major axis and the minor axis of arbitrary particles present in an arbitrary visual field in a trans electronic electron micrograph mission； - the average particle thickness is obtained by means of the arithmetic mean of the measured thickness of all particles that have a measurable thickness in the visual field in the transmission electron micrograph； and - the average aspect ratio is obtained by (the average particle diameter) / (the average particle thickness), and rounding the resulting value to the nearest whole number.Composición cosmética emulsionada de agua en aceite que comprende un polvo que se produce sometiendo un polvo de óxido de zinc (A) que tiene un diámetro de partícula promedio de 0,1 a 1 μm, un grosor de partícula promedio de 0,01 a 0,2 μm, y una relación de aspecto promedio de 3 o más a tratamiento de la superficie con un compuesto de silano o silazano que tiene un grupo fluoroalquilo o alquilo C1-20 y que tiene reactividad con un óxido inorgánico, comprendiendo la composición además un polvo de óxido de zinc (B) que tiene un diámetro de partícula promedio de 0,01 a 1 μm y una relación de aspecto promedio de menos de 3, en la que la relación de peso de (A) con respecto a (B), (A/B), es de 1/2 a 10/1,
