It takes about a week to take effect, and it will be more obvious in about a month. Generally, an injection will be strengthened after three to six months, and the effect will last longer. However, the holding time of the stovepipe needle can be prolonged by some self-sustaining. After losing weight, as long as you pay attention to maintenance at ordinary times, you can achieve good results. Be sure to choose a regular hospital. Leg-stovepipe needle is a leg-stovepipe method specially aimed at calf muscles, and the effect is very remarkable. After a few days of injection, the leg muscles will shrink day by day. Generally speaking, the effect of stovepipe acupuncture can last for more than half a year. There is no surgical trauma during stovepipe, and it recovers quickly after treatment. However, it should be noted that the stovepipe needle is only effective for the calf with over-developed muscles. If it is because of obesity, the stovepipe needle can't achieve the effect. I hope my answer can help you.

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