If you want your collagen cream to boost collagen production, smooth fine lines, and amplify the elasticity of your skin, topical collagen, itself, cannot do so, according to board-certified dermatologist Dendy Engelman, MD.
The lightweight texture absorbs instantly, but I like to really slather it on and let it sit like a mini mask for a few minutes before gently rubbing any excess into my neck and décolletage.