Can the serious cheek depression be injected with dull needle hyaluronic acid useful?

Useful oh, hyaluronic acid injection is a good facial filling beauty way, but we must pay attention to the needle used for injection, to choose a blunt needle, injection effect can achieve the best. Disposable blunt end injection needle, high precision incision design can reduce tissue accretion, greatly reduce the rate of bleeding, bruising, nerve injury.