Injection grade hyaluronic acid is a raw material specifically designed, produced, and purified for invasive administration to the human body via subcutaneous, intradermal, or intra-articular injection. It is characterized by sterility, pyrogen-free properties, high purity, and high safety. It meets the stringent requirements for efficacy and safety in various injectable applications, making it an ideal raw material for preparing injectable solutions, fillers, and intra-articular injection products.