Place the teeth of j.cat beauty gentle & smooth eyelash comb separator at the base of the lash line, while lashes are still wet from mascara, and gently wiggle back and forth to get in between the lashes. Slowly comb through the lashes to remove any excess mascara. Wipe off excess product on tool after each use to avoid clumping for future usage. Precaution: Be sure that the ingredients are appropriate for your personal use.