An O/W emulsified cosmetic composition containing the following components (A), (B), (C), (D), (E) and (F) : (A) 1 to 20% by weight of a plate-like powder that has been surface-treated with an alkylalkoxysilane, (B) 0.1 to 10% by weight of an oil that is solid at a temperature of 25°C, (C) 0.3 to 50% by weight of an oil selected from the group consisting of a hydrocarbon oil, an ester oil, and an ether oil, having a viscosity of 500,000 mPa·s or less at a temperature of 25°C, (D) 0.1 to 20% by weight of a nonionic surfactant having an HLB value of 8 or less, (E) 0.05 to 10% by weight of a water-soluble polymer having a hydrocarbon group with a carbon number of 8 to 30 and an anionic group in a molecule thereof, and (F) water, wherein a weight ratio between component (A) and component (B) is (B) / (A) = 0.01 to 5 _
