The LCD Portable Laser Hair Removal Epilator is the perfect product for anyone with a lot of unwanted hair! Instructions: Use twice a week initially. Use at least 1 time per month for maintenance when hair growth stops or only some fine hair comes out. The frequency of use may differ according to different individual situation. Change the operation times according to the actual hair density. The working range varies according to different individual situation. OUR GUARANTEE We are confident that we offer some of the best products on the market. Therefore, we provide a 30-day guarantee. We will make every effort to ensure that you are completely satisfied with your purchase. Online shopping can seem daunting. We want you to know that there is absolutely zero risk of purchasing something. We won't make it difficult if you don't love it. We offer email and ticket support 24 hours a day, 7 days a week. If you require assistance, please contact us. Please contact customer service if you have any problems with your purchase.