Manicare Eyelash Curler – With Spare Rubber Infill Gives a Natural Curl to Eyelash. Slip Curler over upper clean- dry eyelashes and squeeze gently for about 30 seconds. Apply mascara after curling to set lashes. Replace Rubber Infill if grooves or ridges appear. Ensure that the Infill is correctly positioned in cup. Do not use excessive force.