An age-defying foundation that helps you to achieve complexion brilliance, the Yves Saint Laurent Youth Liberator Serum Foundation offers full coverage & a luminous finish. Infused with the award-winning Forever Youth Liberator Serum, this silky foundation supports your skin with enhanced firmness, suppleness & hydration that lasts for up to 24 hours. It's the perfect choice for those who want to enhance their complexion with a youthful & fresh finish. At the heart of the Youth Liberator foundation is the patented Colour Tune-Up Complex, which makes sure that skin looks beautifully radiant, never dull. Uneven tones are unified, skin appears smoother & your base looks perfected for hours. Why We Love It The Youth Liberator Serum Foundation performs a double duty. Not only does it offer an impeccable full coverage that still looks like skin, but its added skincare ingredients enhance your skin so you can feel confident even when you're not wearing any makeup at all! How To Use It Apply to your face with fingers for a natural & seamless result, or the Yves Saint Laurent Foundation Brush for a truly flawless result.