1.Rest for 10 minutes after injection before leaving, and wash the injection site only after 4-6 hours. 2.Do not drink, smoke, spicy and other stimulating food within 24 hours after injection. 3.Do not press and rub the injection area, do not steam sauna. 4.After hyaluronic acid injection, depending on the product, the effect can be maintained for about 6-12 months, and the length of maintenance time varies from site to site. 5.To ensure the treatment effect, please follow up after 2 weeks, and contact the doctor if you have any discomfort.