Yves Saint Laurent reveals its “top secret” that delivers instant and long-lasting hydration to moisturise skin to glowing perfection, anytime, anywhere. This silky, 72-hour hydrating, yet ultra-lightweight formulation instantly revitalizes the look of skin with a fresh, watery effect leaving behind a seemingly soft, skin feeling. Skin is plumped with moisture helping even the look of skin texture and leaves skin feeling smoother.