Derma Roller Application Procedure:
1, Cleansing before use ;
2, rinse the microneedle roller with warm water before use, soak in 95% alcohol for at least 20 minutes and shake dry;
3, Apply hyaluronic acid to the area to be microneedled and roll it back and forth over the skin at different angles and with appropriate force, approximately 5 to 10 times per area and direction (depending on the skin's tolerance level);
4, After application, apply hyaluronic acid or other treatment products;
5, After cleaning the roller with warm water, soak it in 95% alcohol for at least 20 minutes and put it back in the box.