How does beauty blunt needle pull back
Dec 10, 2022
A dull needle cannot be drawn back.
Blunt needles are used for fan-shaped and cross-filling of large areas such as the forehead, with fewer pinholes and easier to spread evenly, while sharp needles are difficult to spread evenly when injecting large areas.
Blunt needle operation control is more simple, no edge elastic, not easy to Pierce the blood vessel damage nerve, but it can not carry out skin injection, may cause muscle tissue tear, sharp needle can carry out skin injection, do not need to change the needle, can be flexible injection plane and point, the use of skin tissue damage is less, but sharp needle is easy to cause blood vessel rupture, Easy to damage sensitive organs.
