[Problem] To provide a powder composition containing an oily substance and having a high oxidation stability and an excellent compression moldability. [Solution] A powder composition containing an oily substance, which comprises a powdery calcium silicate-based material and the oily substance impregnated in the material, characterized in that, in the aforesaid material, the cumulative volume of pores with pore diameter of 10-70 nm is 1.1 cc/g or more and the cumulative volume of pores with pore diameter of 70-500 nm is 2.0 cc/g or less.
