This laser hair removal device is made of yellow quartz lens material, and the lens has been filtered. It is completely safe for the eyes and skin. It has been verified by the American FDA. Its safety performance requires that it completely covers the skin surface during use, otherwise it cannot work normally. The advantage of this product is that when it touches the skin, it will also penetrate to the deepest layer to destroy the regenerative tissue of the skin follicle, achieving permanent hair removal. This product is popular in countries such as the UK, the United States, France, and Iran. The service life is 250,000 times, and the entire family can use it.