Abstract: Discussed is a skin care device comprising: a main body having a processor, and an ultrasonic vibrator assembly disposed on one end of the main body and forming a contact surface with a skin of a user, wherein the processor controls the ultrasonic vibrator assembly to apply an ultrasonic vibration to the skin according to at least one of a frequency characteristic, an output characteristic, and a duty ratio characteristic for removing wastes on a surface of the skin.

Abstract: According to an embodiment of the present disclosure, a light outputting device for scalp care includes a dome-shaped outer case defining an appearance, an inner case formed inside the outer case, and a plurality of light sources disposed in a space between the outer case and the inner case, wherein the plurality of light sources include a plurality of first laser light sources, and the optical outputting device includes a plurality of light guide mechanisms arranged corresponding to the plurality of first laser light sources to distribute laser light emitted from the first laser light sources apply the laser light toward the inner case.