1, routine examination before operation, excluding some factors that are not suitable for injection of whitening needle. For example, women should avoid the physiological period and do not inject during pregnancy. Don't take the medicine instructed by the doctor within one month before the operation.

2. Before the whitening injection, I didn't do any medical beauty methods to beautify my skin within one week. For example, laser, peeling and so on.

Second, the second is the precautions after whitening injection:

1. Pay attention to keep the wound clean after injecting whitening needle, and don't get wet.

Third, the precautions after injection of whitening needle mainly include the following points:

1, you must pay attention to strengthening sun protection after whitening needle treatment. It is recommended to use sunscreen products with SPF above 30-50, and please apply them every 2-3 hours when you go out, so that you can wear an umbrella and a hat for physical sun protection;

2. Skin care products containing irritating ingredients such as fruit acid, A acid, salicylic acid, exfoliation, high concentration of vitamin C and alcohol should not be used within one week after treatment.

3, because everyone's situation is different, whitening needles often can't see the effect in one shot. If you want to whiten the whole body, you need multiple courses of injections to see the final whitening effect.