1. Check the packaging and anti-counterfeiting marks. Real Ouyimei hyaluronic acid products should have complete outer packaging, instructions and anti-counterfeiting labels. Carefully check whether the packaging is intact, whether the printing is clear, and whether the product identification is consistent with official website.
2. Check the batch number. Each batch of Ouyimei hyaluronic acid has a unique batch number, and the authenticity of the product can be confirmed by checking whether the batch number is correct.
3. Find a certification body. You can check whether Ouyimei hyaluronic acid products have been tested and recognized by relevant certification bodies, such as People's Republic of China (PRC) and National Medical Products Administration.
It is recommended to purchase medical products carefully to avoid safety problems.