Cấp độ 1: Có thể không cần điều trị hoặc chỉ cần điều trị bằng thuốc. Having said that, hyaluronic acid alone is not really stable and simply degrades so it is actually complex to prepare hyaluronic acid of higher molecular bodyweight. HyRetin is hyaluronic acid with anti-acne influence. https://jamess630hry7.blogars.com/profile