collcap&39s smart dropper is able to handle highly viscous gels and creams, up to 45,000 cps, as well as thinner liquids.the advanced pump system automatically conforms to whatever is in the container reservoir, providing the consumer with smooth, gliding strokes.set to uniform 0.25cc doses, the system offers incredibly consistent dosing within tolerances, no matter what product the reservoir holds.the smart drop pump offers a no suckback system, such that no product is taken back in to the dispensing structure.users can adjust the amount of dosing as desired, up to the maximum 0.25cc d