Pro XXL Extension Mascara Pro XXL Extension, for eyelash extension effect, instant volume and lengthening that lasts up to 24 hours, smudge-proof and transfer-free. Mascara inspired by professional treatments. Pro XXL Extension is ideal for short lashes and gives an extension effect in just 2 simple steps. Its formula with jojoba oil and 3 fibers mm makes lashes defined and lengthened.