Whitening injections can be given, but the effects do not last; side effects include increased blood viscosity, digestive discomfort, skin rashes, urinary stones and chronic phlebitis. The main ingredients of whitening injections are Transdermal Acid, Glutathione, Vitamin C, Vitamin B6, etc. They are usually proportioned according to a certain dosage by the doctor himself, and whitening is carried out through intravenous infusion. However, the whitening effect is not long-lasting because the half-life of the drug is too short. Tranexamic acid, as a hemostatic drug, can cause blood viscosity to rise, making menstrual blood coagulation or even thrombosis. Common side effects of reduced glutathione include nausea, vomiting and headaches, and may also cause skin rashes. Large amounts of vitamin C can produce urate, cysteinate or oxalate stones, which form urinary stones. Long-term injections can lead to chronic phlebitis. It is worth noting that: at present in China has not been approved by the State Food and Drug Administration through the whitening injections, the source of the product can not be guaranteed, the effect also varies from person to person, unstable, whitening effect is not long-lasting, on the natural black skin of the people basically ineffective; there are more than the amount of use of the drug safety range, increase the burden on the function of the kidneys, and even produce serious side effects. Therefore, do not recommend injecting whitening needle, have whitening needs of the candidates can choose laser whitening, water light injection and other formal medical beauty program for healthy whitening.