Made in China. Ai Liwei is usually a domestic hyaluronic acid, which is a hyaluronic acid brand under Beijing Jingzhi Medicine. Usually belong to a more common brand. Generally, hyaluronic acid can be divided into medium molecular hyaluronic acid and macromolecular hyaluronic acid, including small molecular hyaluronic acid, which is mainly used for filling or shaping, and can also be used for hydrating and moisturizing. There are great differences in the use of different hyaluronic acid, so it is necessary to master the correct use method.