Prime Lab is a range of make-up bases recommended by LOréal Paris dermatologists. Prepares the skin of the face for the application of foundation and helps to keep the makeup flawless for up to 24 hours*. Visibly improves skin quality in 4 weeks**. Prime Lab Pore Minimizer is a foundation that will visibly reduce the visibility of pores and extend the durability of makeup up to 24 hours*. * consumer test/self-assessment test; using a foundation along with a primer ** Clinically confirmed expert rating of pore visibility and skin smoothness