Hyaluronic Acid Filler - What's the Source?

Is it made by chemical process or obtained from animals? I would like to know how the substance is obtained and how safe it is to inject into the face.

1 doctor answer

Can Anybody Answer What Exactly Are the Chemical Ingredients of Botox and Fillers?

2 doctor answers

Is a Filler Considered Safe and Efficient if It Contains Sodium Chloride or Dextran?

Is it save to be injected with fillers containing not only HA, but also sodium chloride, water or dextranomers? Also,how relevant is HA concentration...