L'Oreal Paris Collagen Moisture Filler Day Night Cream, A dose of intense hydration and natural Collagen in Collagen Filler Moisture Day Lotion and Day/Night Cream is essential for younger-looking skin. Rich moisture instantly restores skin's cushion and bounce. Over time, the powerful natural Collagen helps fill in lines and wrinkles, leaving your skin smooth and plump. Use it for a complete collagen-infused skincare regimen. In just 4 weeks 78% of women saw filled in wrinkles.