Numerous hyaluronic acid fillers are available. All the available products would have been approved by the regulatory authorities so you can be sure they meet a minimum standard. They may, however, have slightly varying specifications in terms of cost, duration of activity etc. Your doctor would be in the best position to advise you on which product is ideal for you. Some of the hyaluronic acid fillers include

1. Restylane
2. Juvederm
3. Hylaform
4. Elevess
5. Captique

Doctors generally tend to prefer products that come with lignocaine as its anesthetic effect ensures the procedure is as pain-free as possible.