Lancome Cils Booster XL - Enhancing Mascara Primer (0.07 fl oz/2.07 mL) Sealed. Lancome Cils Booster XL - Enhancing Mascara Primer (0.07 fl oz / 2.07 mL) - Sealed Amplify your lashes with Lancome Cils Booster XL, a conditioning mascara primer that enhances volume and length for a dramatic, eye-catching look. This travel-size (0.07 fl oz / 2.07 mL) primer is sealed and perfect for trying out or taking with you on the go. Size: 0.07 fl oz / 2.07 mL (mini/travel size) Conditioning Formula: Infused with micro-fibers and Vitamin E to protect and strengthen lashes. Boosts Mascara Effectiveness: Maximizes the volume, length, and wear of your favorite mascara. White Primer: Helps mascara adhere better and enhances the intensity of your lashes. Sealed & New: 100% authentic and unopened. Achieve fuller, more voluminous lashes with this must-have mascara primer. Great for travel or testing out the product before committing to a full size!