Perfect for Hair removal! These are the same laser safety eyewear that Lorenzo uses for his patients and during all of his classes. This specific model is used for protection of 755nm & 1064nm wavelengths. These lenses are perfect for technicians using a duel wavelength device (hair or tattoo). The 755nm is used for hair removal or to remove tattoo inks in the green/blue spectrum. The 1064nm is the wavelength used for hair removal or to remove all dark colors of tattoo ink (Black/Grey/Dark/browns Blue/Dark Green/Dark Brown). These laser safety glasses fit over most style of prescribed glasses. The white or black spectacle style frame are constructed of durable nylon with soft touch finish. It comes in a variety models that will fit over most prescription style frames and they offer a universal fit that offer a wide field view. These lenses have superior optical clarity with virtually no distortion, while reducing eye fatigue and providing comfort for long periods of wear.