Glov Micro Infusion System Infusion system + 3 serums How to use 5 Minutes Total, Every 2-4 Weeks STEP 1 Twist open the chamber of the device and fill with one ampule of serum. Twist to close it tight. Optional: You can mix two serums and fill it until it?s 3/4 full. STEP 2 Once the serum has had enough time to make its way into the needles, you can take off the lid and start microinfusing! STEP 3 Start at the centre of the face and work your way outward to cover the full face. Stamp with a 50% overlap. Repeat 2-3 passes for better results. Leave the serum on overnight so your skin can drink up all those skin-enhancing ingredients.