The Wig (2005)

A leukemia patient with thinning hair makes the unexpectedly deadly mistake of donning a wig in the chill-inducing Korean horror vehicle The Wig (2005). Min-seo Chae plays the terminal patient who happens to reach for a haunted thatch of hair. As a result, a spirit from beyond the grave takes control of the ailing woman and makes her enact a violent sexual revenge. Min-seo alternates between baldness and a full head of hair, but in both cases she’s casual about displaying her bountiful breasts, which she uses to seduce a poor sap destined to meet a gruesome end.