How to Choose the Right Injectable-Grade Hyaluronic Acid
Hyaluronic acid is a naturally occurring ingredient in the human body, known for its excellent moisturizing, lubrication, and biocompatibility. These merits have led to a wide variety of applications in medicine and cosmetics. According to its purpose, HA can be divided into cosmetic-grade, food-grade, medical-grade, and injectable-grade. Of them, injectable-grade HA is extensively used in … Continue reading