FIG. 1 is a perspective view of a hair dryer showing my new design;
FIG. 2 is another perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a right side elevational view thereof;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom plan view thereof;
FIG. 9 is an exploded view of the hair dryer;
FIG. 10 is an enlarged view of portion 10 shown in FIG. 1; and,
FIG. 11 is an enlarged view of portion 11 shown in FIG. 2.
The broken lines in the drawings depict portions of the hair dryer that form no part of the claimed design.