The ornamental design for a cosmeticcontainer, as shown and described.
FIG. 1 is a perspective view from the top of a cosmetic container showing the new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof,
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof, shown in an enlarged scale;
FIG. 7 is a bottom plan view thereof, shown in an enlarged scale; and,
FIG. 8 is a bottom perspective view thereof.
The oblique lines represent internal surfaces that are visible behind transparent/translucent outer surfaces of the cosmetics container. The configuration of those internal surfaces do not form part of the claimed design.