Brand from Japan: Kose. Refill design lip liner.Create a natural silhouetteDefines lip contours for a glossy, natural-looking finish.Prevents lipstick from smudging and maintains beautiful lip color.Refills and lip liner holder are sold separately.How to use:How to install before use: Remove the cap from the Infinity lip liner holder.Then insert the refill correctly as shown in the picture.Extend the tip of the pen by approximately 3 mm to draw the lip line.Then apply your favorite lipstick.After use, twist the refill back into place and close the cap tightly.Since it is a cartridge type, once you take out the refill, it will not return to its original position.Be careful not to extend the refill too far or subject it to strong impacts.Do not place in a high temperature location.