In general, the injection of botulinum toxin wrinkle needle can last for 4 months to 6 months, that is, patients usually only need to inject it twice a year. However, if patients need to add hyaluronic acid to rejuvenate their faces, the duration will vary according to the brand and molecular weight of hyaluronic acid.

For example, the common Ruilan 2 hyaluronic acid can generally last for about 9 months. In addition, it should be noted that botulinum toxin should not be injected frequently within three months. Frequent injection will lead to the appearance of antibodies and need to be injected according to the doctor's advice.

Extended data:

It has been 20 years since 1989 was first applied to human body in Germany, and it has been certified by European ce and American FDA, and has been used by nearly one million people. It is not a simple injection filler, nor a simple injection wrinkle removal product. It is mainly composed of PMMA microspheres and collagen.

Theoretically, PMMA constantly stimulates the production of collagen under the skin, so the effect is permanent. Because it contains a small amount of lidocaine, there is almost no pain when injected.

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