The leg slimming injection is a fast way to slim the legs, the effect is produced after 5-7 days after one injection, usually can be maintained for about 6-8 months, but can not achieve permanent shaping. The leg slimming injection that is Botox injection, Botox can prompt muscle atrophy to achieve the effect of leg thinning. Usually, after an injection of thin legs, generally 5-7 days to see the effect, 1-3 months the most obvious effect, can be maintained for about 6-8 months. Thin leg injection does not maintain the permanent effect, how many times after a period of time, the legs will return to the original state, can not achieve a permanent shape. It is recommended that the candidates interval of 3-5 months to inject the second, third, three consecutive injections can maintain the effect of thin legs up to 3-5 years. In addition, patients need to note that the thin leg injection is only effective for the thick muscles of the legs, not for fatty thick legs. After the injection of thin leg injection should not be hot compress, rubbing and massage of the injection site.