The Yusezen EMS Face Mask (Model: YZ-FM01 ) is approved under the European Union's RoHS Directives (2011/65/EU, 2015/863, 2017/2102) and holds a RoHS Certificate of Compliance , proving that it is free of harmful substances used in electronic devices. This certificate confirms that the product does not contain chemicals (lead, mercury, cadmium, etc.) that could harm human health and the environment. With its premium face masks , skin tightening devices , and anti-aging care technologies, Yusezen distinguishes itself not only with its focus on aesthetics and rejuvenation but also with its environmentally friendly and sustainable production approach. This certificate is strong evidence that Yusezen offers luxury care solutions in compliance with international environmental and health standards.