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.