The SafeLightPro special light protection glasses guarantee highly effective special eye protection against light when using hair removal devices using HPL / IPL technology.TESTED and APPROVED in GERMANY by ECS GmbH - European certification service for eye protection, laser protection and personal protective equipment. The obscuration of the SafeLightPro F2 is three indices darker than that of the SafeLightPro F5. To choose the right obscuration rating, F2 or F5, please consider how sensitive your eyes react to very bright flashes.They also provide eye and face protection against injury caused by mechanical stress. The lenses are made of impact resistant polycarbonate. UV-C protection. In the 250-380 nm ultraviolet range (UV-A, UV-B, UV-C), the goggles offer protection against low and medium power lamps.The goggles meet the specifications of European standard Personal Protective Equipment (PPE) Directive 2016/425 and General Product Safety Directive 2001/95/EC. The glasses meet the specifications of the European standard DIN EN 166: 2001 DIN EN 170: 2002.These special light protection glasses offer additional protection against UV radiation.