The ornamental design for neck care and wrinkle elimination instrument, as shown and described.
FIG. 1 is a perspective view of neck care and wrinkle elimination instrument showing my 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; and,
FIG. 7 is a bottom plan view thereof.
The broken lines in the drawing directly adjacent solid lines represent the unclaimed boundary of the claim, all other broken lines depict unclaimed portions of the neck and wrinkle elimination instrument only and form no part of the claimed design.