The care measures after having a hydrafacial injection include icing the area, keeping it clean, strictly protecting it from the sun, and maintaining a light diet. Hydrafacial injection is to inject hyaluronic acid, collagen and other materials into the skin, which has the effect of hydration, skin rejuvenation, wrinkle removal as well as pore shrinkage. After hydrafacial injection, you can apply ice packs to the injection area under the guidance of the doctor, which can relieve the redness and swelling of the skin. At the same time, avoid touching the injection site with your hands to avoid infection. Secondly, you should also do a good job of sun protection when you travel on a daily basis, and try to wear sun-protective clothing or umbrellas. You should also make sure to eat a light diet and avoid strenuous exercise for 1 week, so as not to affect the effect of hydrafacial injection. After the hydrafacial injection you can consult with a specialist to understand the relevant matters and scientific care.