Hyaluronic acid exists naturally in all living organisms and is a unversal components of the spaces between the cells of body tissues (extracellular space) and eye vitreous body, it has special function: (1)Moisturizing effect and Nutritional ingredient (2)Thickening,Lubricating and membrance-forming (3) Sun-screening and restoration of skin trauma.We will always be there to provide all your services required. do contact us for any more or further inquiries for all your supplies.