The ornamental design for a cosmeticcontainer, as shown and described.
FIG. 1 is a perspective view of a cosmetic container;
FIG. 2 is a front view of the cosmetic container of FIG. 1;
FIG. 3 is a left-side view of the cosmetic container of FIG. 1;
FIG. 4 is a top view of the cosmetic container of FIG. 1; and,
FIG. 5 is a bottom view of the cosmetic container of FIG. 1, the bottom surface consisting of contrasting surface treatments that are all on the same flat planar surface.