4-in-1 lash perfector When used as a lash tint, lashes look separated and naturally defined When used as a primer it allows smoother mascara application When used as a primer it also improves the volume and length given by mascara When used as a top coat it makes mascara water-resistant* and smudge proof Our No7 Lash Impact Lash Primer works with all mascaras as a primer before application, but isn\'t needed on top of mascaras that are already water-resistant e.g. Stay Perfect; and our waterproof mascaras. Volume: 7ml