The total time of bonding depends on factors like the adhesive used, your skin type, the climate, and your lifestyle. We recommend you only remove it and get it cleaned every 1-2 weeks to extend the lifespan of the hair system. If you don’t sweat a lot and live in a dry climate, you can leave it on for longer time, about 3-4 weeks. If you attach a lace hair system with liquid adhesive, we don’t recommend you to wear it for more than two weeks in a row. If you wear it for too long time, the adhesive will penetrate through the lace which makes it very difficult to clean.