Contraindications for taking hydrafacial injection include, but are not limited to, the following, such as minors, the presence of infection foci on the face, history of hyaluronic acid allergy, keloid scarring and other conditions are not recommended to carry out hydrafacial injection treatment. 1. Minors: minors are not recommended to carry out medical operation, minors will affect the health of the skin injections will affect the health of the skin to cause damage to the skin. 2. Facial infection foci: facial skin multiple acne, folliculitis and other soft tissue infections, at this time the injection of hydrafacial injection may spread the skin infection, resulting in redness, swelling, heat and pain and other infections aggravate the situation, the serious case will appear abscesses. 3. Hyaluronic acid allergy: Hyaluronic acid allergy patients injecting hydrazine injection may appear skin infection, redness, swelling, tissue proliferation and other adverse reactions. 4. Keloid: Hydrographic injection is an invasive treatment, so people with keloid should not do it. 5. Others: It is not recommended to have hydrafacial injection if you have undergone facial plastic surgery or implanted any medical objects in half a year; women should not have hydrafacial injection during menstruation, pregnancy, and breastfeeding. It is recommended that patients who are willing to inject hydrafacial injection go to a regular medical institution for treatment, and if discomfort occurs after injection, please consult a doctor in time to avoid serious consequences.