The ornamental design for a skincaredevice, as shown and described.
FIG. 1 is a perspective view of a skin care device as shown in the drawings;
FIG. 2 is a front elevation view of the skin care device of FIG. 1;
FIG. 3 is a rear elevation view of the skin care device of FIG. 1;
FIG. 4 is a left side view of the skin care device of FIG. 1
FIG. 5 is a right side view of the skin care device of FIG. 1;
FIG. 6 is a top plan view of the skin care device of FIG. 1; and,
FIG. 7 is a bottom plan view of the skin care device of FIG. 1.
The dash-dot-dash broken line shown in FIG. 3 represents the bounds of the claim and forms no part thereof and the dashed broken lines shown therein illustrate portions of the facial cleansing brush that form no part of the claimed design.