Menstrual period should not do photorejuvenation, menstrual period blood clotting function will decline, photorejuvenation although it is a non-invasive treatment, but after photorejuvenation, the skin will still appear red, swollen, painful reaction, so it is not suitable for photorejuvenation operation during menstruation. In the menstrual period, the blood clotting function of the human body will have a certain reduction, and after photorejuvenation, the skin needs to go through a process of redness, swelling, pain, thin scabs, scabs off, if it is in the menstrual period, may lead to redness and swelling of the skin is more worse, thin scabs delayed, etc., so it is not advisable to do photorejuvenation in the menstrual period. In addition to the menstrual period, pregnant women, patients who are using anticoagulant drugs, patients with skin infectious diseases, diabetic patients, as well as people with a history of keloid scarring should not do photorejuvenation. In addition, people who have recently received sun exposure, patients with dry and cracked skin, and people who have recently taken oral isotretinoin should also not undergo this operation. If you need to undergo photorejuvenation, please follow your doctor’s instructions for preparation and treatment.