A white, super-enhancing mascara base, suitable for sensitive eyes and enriched with XL Micro-Fibers, that helps to protect your lashes and to gain a maxi booster effect. The iconic Lancôme Cils Booster XL comes back with new luxurious packaging. 5.5ml. Made in France. The Cils Booster XL formula allows more length, curve and thickness for the lashes, without clumping or smudging. Its white colour intensifies the colour of the mascara applied over it. ? Use Cils Booster XL under your usual mascara to enhance its colour and makeup results for a look that is instantly more intense and more captivating. Our price is matched to the lowest price advertised on key Canadian retail websites based on our regular review of those websites.