Ushio Whitestar MR-16 lamps from USHIO utilize Titanium Oxide hard coatings on the reflector to maintain consistent color from lamp to lamp and throughout the life of the lamp. Harmful UV light is reduced through a special doping process of the quartz envelope. A proprietary dichroic coating of the front glass reduces the yellow light thereby enhancing the blue and white light spectrum in 4200K, 4700K, 5300K, and 6500K lamps.