Dear users: Thank you very much for using this application, please read the latest "Terms of Use and Privacy Policy" carefully before using, and confirm whether you agree to the statement. The content of the agreement is as follows: Shenzhen Langdai Industrial Development Co., Ltd. (hereinafter referred to as "LANGDI") please read carefully and abide by the "Langdai Industrial Mobile Client Software License and Service Agreement" (hereinafter referred to as "this agreement"), especially the privacy clause and exemption Declaration part. Unless you have read and accepted all the terms of this agreement, you have no right to download, install or use the software and related services. Users can voluntarily cancel or stop using the services provided by the Langdai Industrial Client Software (hereinafter referred to as the "software"). If you use this software service, your behavior will be deemed to have read and agreed to the content of this agreement. If you are under the age of 18, please read all the terms of this agreement with your legal guardian. About this service license Content and form This software is developed and owned by Shenzhen Langdai Industrial Development Co., Ltd. This software obtains customer's facial pictures by taking pictures and obtains customer's facial pores, spots and other index data through server algorithms, and gives corresponding index suggestions and product recommendations. In this agreement, the user provides multiple application versions including but not limited to ios, android, windows phone, etc. The user must select the software version that matches the installed mobile phone. License scope Langdai Industry grants you a personal, non-transferable and non-exclusive license to use this software. You can install, use, display, and run this software on terminal equipment for non-commercial purposes. All other rights not expressly authorized by this article and other terms of this agreement are still reserved by Langdai Industrial. You must obtain written permission from Langdai Industrial when exercising these rights. If Langdai Industrial fails to exercise any of the foregoing rights, it does not constitute a waiver of such rights. Software acquisition You can obtain this software directly from Langdai Industrial's website, or from a third party authorized by Langdai Industrial. If you obtain this software or an installation program with the same name as this software from a third party that has not been authorized by Langdai Industrial, Langdai Industrial does not guarantee that the software can be used normally, and will not bear any responsibility for the losses caused to you. Software installation, uninstallation and update Install and uninstall Langdai Industrial may have developed different software versions for different terminal devices. You should choose to download the appropriate version for installation according to the actual situation. After downloading the installation program, you need to follow the steps prompted by the program to install it correctly. If you no longer need to use this software or need to install a new version of the software, you can uninstall it yourself. If you are willing to help Langdai Industry to improve its products and services, please inform the reason for uninstallation. Except as expressly stipulated in this agreement, Langdai Industry shall not be liable for any losses incurred by users due to the installation and use of this software. Update In order to improve user experience and service content, Langdai Industry will continue to work hard to develop new services and provide you with software updates from time to time (these updates may take the form of software replacement, modification, function enhancement, version upgrade, etc.). In order to ensure the safety of the software and services and the consistency of its functions, Langdai Industry has the right to update the software without special notice to you, or to change or restrict some of the software's functions. After the new version of this software is released, the old version of the software may not be available. Langdai Industrial does not guarantee the continued availability of the old version of the software and the corresponding user services, nor does it assume any responsibility for the losses caused by your continued use of the old version. Please check and download the latest version at any time. Privacy Policy and Disclaimer General terms Langdai Industry strictly protects users' privacy and will take reasonable measures to protect users' personal information. Except for the circumstances stipulated by laws and regulations, Langdai Industrial will not disclose or disclose user personal information to third parties without user permission. When government agencies or judicial agencies require us to disclose users' personal information in accordance with legal procedures, Langdai Industrial can provide users' personal information in accordance with the law or for the purpose of maintaining public safety, and does not assume any legal responsibility. Using this software, Langdai Industry will ask you to provide some personal information, which will provide you with more accurate skin conditions. If the user chooses not to provide personal information, Langdai Industrial will not be able to provide the user with the corresponding products or services, nor will it be able to respond to any questions you encounter. In this software, personal information includes each user's face picture data, name, gender, age and other information. All information can only be obtained with your consent. Here, you understand and agree to authorize Langdai Industrial to use or provide your personal information to third-party organizations to provide skin testing, product recommendations and other services, and to comply with the requirements of regulatory agencies or industry associations and laws and regulations. Personal information will be saved on your phone and will be manually uploaded to the cloud database. In order to avoid personal information leakage, please keep your mobile phone, set a power-on password, and do not lend your mobile phone to others at will. Langdai Industry will not be liable for any personal information leakage caused by improper storage or improper use of the user's personal mobile phone. On the one hand, we will provide you with a complete data backup so that you can quickly restore all data when you change your phone; on the other hand, our software will recommend the corresponding products for you based on these data. Respect for the privacy of users is the basic system of Langdai Industrial. Langdai Industry has a strict security system, and unauthorized employees are not allowed to obtain user information. Langdai Industrial will use relevant information to understand the needs of users and conduct various businesses based on necessity, and pay attention to protecting the privacy of users. Langdai Industry promises not to disclose its registration information and other non-public content stored in this software without user authorization, unless:  (1) It must be disclosed in accordance with relevant national laws and regulations or the requirements of competent government departments.  (2) It must be disclosed in order to protect Langdai Industrial's trademark rights, copyrights or other legal rights.  (3) It must be disclosed in order to protect the interests of users or the public interest.  (4) Disclosure with the consent of the user.  (5) Other personal information disclosure reasons that comply with relevant regulations.  (6) When you take a picture of your face through this software, the taken picture will be sent to the server for algorithm analysis. After the analysis, you will get marked pictures of pores, stains, etc., and give you corresponding suggestions, this suggestion and recommendation The product is for reference only, please consult relevant professionals for details. You are responsible for the personal information you decide to submit in the above circumstances. We have the right to update the privacy policy at any time. If we make major changes to the privacy policy, we will issue a notice and update the privacy policy as soon as possible. User commitment and disclaimer The user promises not to take any of the following behaviors in this software,otherwise, Landai Industry has the right to demand compensation for the losses caused by Landai Industry: (1) Upload, post,send email or transmit any information, data,text, software,music, photos, graphics, information, etc.that contain illegal,harmful,coercive,harassment, infringement, slander, vulgar, obscene, defamatory, obscene, Infringe on the privacy of others, Racial discrimination or other unpleasant content,etc. (2) Harm minors in any way. (3) Impersonating any person or organization, or falsely claiming or making people mistakenly believe that it is related to any person or organization. (4) Forging the title or manipulating the identification data in other ways, making people mistakenly believe that the content is transmitted by Langdai Industrial. (5) Upload, post, send e-mail, or send the content that is not authorized to transmit (such as internal information, confidential information). (6) Upload, post, email or transmit content that infringes any person’s patent, trademark, copyright, trade secret or other exclusive rights. (7) Upload, post, send e-mail or other means of advertising letters, promotional materials, "spam", etc. (8) Upload, post, email or other information about software viruses or other computer codes, files and programs that interfere with, destroy or restrict the functions of any mobile software, hardware or communication equipment. (9) Interfering with or destroying the software or the server and network connected to the software, or failing to comply with the regulations on network use. (10) Intentionally or uni