1. Face-lifting needle will make the face stiff in different degrees after face-lifting, resulting in unnatural smile, which is also the main reason why many stars are questioned.

2. "Face size", that is, different doses and parts of face-lifting needles cause asymmetry between left and right faces, which is closely related to the operator's experience. This also reminds beauty seekers that it is particularly important to choose the right doctor when taking a face-lifting needle to face-lifting.

3. If the dose of face-lifting needle is too large, it may lead to dysphagia. This is because most face-lifting needles achieve face-lifting effect through Botox, and excessive Botox will lead to muscle relaxation and atrophy, reduce masseter activity, and affect eating.

4. Botulinum toxin must be strictly managed and used in a standardized way. Because of dosage form, dosage, storage mode, operating factors, face shape, masseter muscle development and individual differences will affect the effect.

5. The maintenance time is short. If it is the best face-lifting needle and the best injection technology, the effect of face-lifting needle can last for about one year. Of course, under normal circumstances, the maintenance time of the face-lifting needle can also be about half a year. If necessary, beauty seekers can inject again to maintain the effect of face-lifting needle.