The ornamental design for a dermaltattoo covering, as shown and described.
FIG. 1 is a perspective view of a dermal tattoo covering employed to cover a tattoo newly created on a customer's arm according to one embodiment;
FIG. 2 is a top side view of the dermal tattoo covering illustrating a two-piece split liner of the new design;
FIG. 3 is a bottom side view of the dermal tattoo covering illustrating an adhesive layer side of the new design;
FIG. 4A is a right side view of the dermal tattoo covering, where a left side view is a mirror image of the right side view;
FIG. 4B is an expanded view of a portion of the right side view of the dermal tattoo covering illustrating a film disposed between the adhesive layer side and the two-piece split liner;
FIG. 5 is a back side view of the dermal tattoo covering; and,
FIG. 6 is a front side view of the dermal tattoo covering.
The broken line showing of an arm and scissors are included for the purpose of illustrating environmental structure and forms no part of the claimed design.