Disposable Hypodermic Safety Roller Needle

The working principle of the roller needle is similar to the process of skin trauma repair. When the skin is traumatized, such as cuts and burns, the body's repair mechanism is activated and cells begin to proliferate and regenerate. However, due to the limited skin repair ability of individual human beings, we often need some external stimulation to promote skin repair. Microneedling technology is designed based on this principle. Microneedle injection is a relatively safe and effective medical cosmetic technique that improves the texture and appearance of the skin by activating the skin's own repair capacity. The non-reusable roller needle is usually used with a handle and a syringe (two different models), which can be easily replaced by turning to suit different situations. In addition to treating common skin problems, the beauty needle can also be used to treat stretch marks, fat lines and deep depressions. It can also surprisingly stimulate hair growth by injecting a liquid trea…