Is blunt needle hit hyaluronic acid safe

Hyaluronic acid is generally used for injection, but in the past hyaluronic acid injection was used for surgery, the risk of surgery is around 2%, but with the invention of new technology, now the injection of hyaluronic acid is mostly used for blunt needle injection, the risk is controlled at 0.8%, the safety factor is higher, basically painless, the difference between blunt needle and sharp needle is the needle, the blunt needle appearance is completely polished, the head is blunt, Enter the structure to reach the small trauma, can completely avoid the blood vessels, making the face to produce swelling, bruising time is less, so the corresponding sharp needle speaking, blunt needle hyaluronic acid is safer.