... product when cleaning face finished in Day & Night. . Can be used with products: EGF Whiting Essence, EGF Whiting Skin ... Gold Stem Mask Can be worked with machines: Photons, Laser IPL, E light, OPT- Perfect pulse light, Black magnetic glare, PDT, ... Semiconductor, Q-switched laser, Long Pulse, Point Vibration Laser etc, HIGH QUALITY EGF ESSENCE MOISTURZING WHITING ...