A few people will have temporary dizziness and other discomfort after taking whitening injections. It is recommended to rest in the hospital for about 20 minutes after treatment. There may be redness or slight pain at the injection site of whitening needle, which usually disappears within 24 hours. At the same time, within 24 hours after injection, the injection site shall not be stained with water. In addition, whitening needle should not be mixed with other infusions, and should be stopped during pregnancy and lactation. The above are the places to pay attention to after whitening injection. The hospital with good whitening injection effect in Wuhan is still the best for cosmetic surgery. You can consult and find out.