A homogenization agent for use in the preparation of a cosmetic powder composition in pressed or compact form so as to impart fluidity to said cosmetic powder composition, said homogenization agent consisting of a combination of three components which assist and improve the homogenization of the particulate ingredients of said cosmetic powder composition, said three components being;
- x weight percent of hollow microspheres of a thermoplastic non-toxic and nonirritating synthetic polymeric material having a specific mass lower than 0.1 g/cm.sup.3 and having a size lower than 30 .mu.m and being selected from the group consisting of an ethylenic hydrocarbon, a polyester, a polyamide, a urea formaldehyde polymer and a copolymer of vinylidene chloride,
- y weight percent of particles of hexagonal boron nitride, and
- z weight percent of N-acyl lysine wherein the acyl moiety has 8 to 18 carbon atoms,
- wherein x, y and z are numbers varying, respectively, in the following ranges:
- x:
- 0.2-30,
- y;
- 0.2-90,
- z:
- 8-99.78
- and wherein the sum of X+y+z=100.