Ogilvy and hyaluronic acid can fill nasolabial groove, tattoo, temple, mandible and so on. They are all polymers, but there are still some differences.
In the composition of 1., Ogilvy is mainly transparent liquid polyacrylamide hydrogel, and hyaluronic acid is mainly colorless and transparent mucopolysaccharide.
2. From the absorption point of view, Ogilvy can exist in human body for a long time, but when Ogilvy decomposes, it can form monomer molecules that damage kidney and nervous system, which has certain toxicity. Hyaluronic acid is generally absorbed and metabolized by the human body in six to eight months. It has mild toxic and side effects, and also has moisturizing function. "