Phototherapy devices for the treatment of truncal acne and scars include, for example, a body portion having a bottom surface and a top surface that is configured to hang on a person's shoulders and cover the upper back and/or chest. The body portion further having left and right shoulder portions extending forwardly from the body portion and curled downwardly to hook over a person's shoulders. The shoulder portions further define a space for a person's neck therebetween. A phototherapy lighting component is configured to emit a light from the bottom surface of the body portion and forwardly extending shoulder portions. In use, the person places the shoulder portions on their shoulders with the body portion hanging downwardly against the person's back or chest, for example, wearing the body portion like a cape or bib. Using the lighting component, a therapeutic amount of light is administered to the person.
