Cosmetic apparatus using ultrasound for performing aesthetic skin treatment procedures; Cosmetic apparatus, namely, light based devices providing mainly pulsed light for performing non-ablative aesthetic skin treatment procedures; Electrically-powered apparatus for treating skin by applying low level light and sonic vibrations to the skin; Electronic aesthetic skin treatment devices using light emitting diodes, namely, infrared, red, orange, yellow, green, and blue wavelengths for generating light rays; Electronic light therapy apparatus for the skin; Light emitting devices, namely, lamps and LED devices for treatment of a variety of skin conditions; Massage apparatus; Medical apparatus for measuring skin hydration; Needles for medical purposes; Skin care analyzers and light therapy equipment, namely, a black-light blue lamp unit for use in identification of a variety of skin conditions