Guerlain les meteorites light diffusing perfecting primer is a smoothing liquid makeup base for an ethereal complexion apply guerlain les meteorites light diffusing perfecting primer for skin that seems lit from within apply guerlain meteorites light diffusing perfecting primer to clean moisturised skin as an essential first step in any makeup routine in one step this extraordinary primer perfects the complexion and can be used before makeup or on its own it has a gel formula with pearls