What is Hairont Viscoelastic Solution for Osteoarthritis ?HairontMedical Sodium Hyaluronate GelViscoelastic Solution for OsteoarthritisThe best choice for improving mild to moderate osteoarthritisHigh quality and long term effects,Website:http://www.hairont.com, Treatment consists of 3 to 5 injections–1 injection per week for 3 to 5 weeksCharacteristics and Physiological function:1.