When it comes to “hydration injection” not many people do not know, the image of – skin tender water will come to mind. Not only that. The water light needle will generally and “skin hydration, nude makeup, vegan” and some other words appear in the same frame. But why would the internet explode – the skin becomes darker and drier after a hydration shot? What is the reason for this? It is possible that you did not pay attention to some contraindications of the hydration injection. Today to give you a popular article about “hydration injection contraindications”, I hope it will help you. A, the water light injection of various materials with the taboo 1, botulinum toxin is prohibited with “glutathione”, “vitamin C injection”, “lipolytic needle”, “vitamin B6” and so on. “Vitamin B6” and so on. Once used in combination, the face will immediately become red, swollen and allergic, and in serious cases, local infection and inflammation will occur. The pigmentation left behind is very difficult to deal with, and the re-blackening speed is quite fast, usually within 1 week is bound to re-blacken. Therefore, it is forbidden to match or use the same kind. 2, vitamin C injection is prohibited with “epinephrine”, “metronidazole injection”. Once they are used together, there will be aggravation of anti-blackness, pain and intraoperative allergic inflammatory reaction. At the same time, erythromycin ointment, chrysomycin ointment, chloramphenicol drops or ointment should not be used after surgery to avoid the formation of anti-blackness and inflammation. 3. After the operation of vitamin B6 with hyaluronic acid, the use of chrysomycin, erythromycin, chloramphenicol ointment or drops is prohibited. Avoid the re-aggravation of acne and inflammation after the operation, and the formation of hyperpigmentation. 4.The use of placenta peptide must avoid physiological cycle as well as fever. Those who are having cold or using antibiotic treatment are not recommended to use placenta peptide at the same time to avoid unnecessary hyperpigmentation as well as to enhance the pain and recovery cycle of the candidates. It is recommended to keep the material mix as simple as possible to avoid overly complex formulas that may affect the overall effect. Avoid the formation of allergy and anti-black phenomenon. Second, the use of water light injection contraindication water light injection combined with PPDO treatment has some limitations, mainly for: 1, seriously sensitive and fragile skin is red, swollen and painful; 2, infected skin (such as serious infection acne), herpes, HPV, etc.; 3, is using or just stop using the efficacy of spot products; 4, serious hyperpigmentation physique. These groups are usually not recommended to be treated by means of hydrophobic injection.