Finally the Dynamic Duo is here Miss clean lash bath + Primer sold as ONE! This is a two step clean! Step 1: pump 2 pumps of lash foam on to lashes, using a brush or lip wand brush side to side & circular motions. Do this until the Lash Gods tell you to stop. Step 2: Use your squeeze bottle to rinse lashes until foam is gone. Step 3: Dry lashes Step 4: Use about 2 drops of Miss clean Primer on microswabs to prime and prep lashes for lash application. Doing this two step deep cleaning process will have lashes squeaky clean! Which will provide maximum retention.