The present invention relates to a composition for a keratin substance, such as skin, comprising: (a) at least one plate type filler having a particle size of 10 μm or less, preferably 5 μm or less, and more preferably 3 μm or less; (b) at least one pearlescent pigment having a particle size of 15 μm or less, preferably 12 μm or less, and more preferably 10 μm or less; and (c) at least one hollow or porous particle, wherein the (a) plate type filler has a refractive index of 2.0 or less, preferably 1.9 or less, and more preferably 1.8 or less, and the (b) pearlescent pigment has a colored reflection. The composition according to the present invention can provide a keratin substance with sufficient coverage of imperfections on the keratin substance, while providing the keratin substance with brightness and natural finish.