The ornamental design for a bottle for shampoo or conditioner, as shown and described.
FIG. 1 is a top, front, right side perspective view of a bottle for shampoo or conditioner showing our new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a rear elevation view thereof;
FIG. 6 is a right side elevation view thereof; and,
FIG. 7 is a left side elevation view thereof.
The broken lines in the drawings showing the bottom surface of the bottle for shampoo or conditioner illustrate the portion of the design that forms no part of the claim.