Crow's feet come mostly from volume loss, not just muscle movement. Topical creams can't restore that volume, but retinols can thicken skin slightly. Shereene Idriss recommends retinols and buffering them with Vaseline.
Chapters
So people tend to develop what they call crow's feet around their eyes as they get older, obviously. And they usually think it's due just to muscle movement because when you smile you get lines and at rest you don't. But the truth is as we start to age, we start to lose volume around our eyes and those lines tend to get deeper. And as those lines and those folds get deeper when you smile, it causes an imprint on our skin. And so no cream is going to give you back volume. It's just not going to happen, at least in our lifetime. And whoever discovers that should win the Nobel Peace Prize. Yes, whoever discovers how to give back volume through a cream should win the Nobel Peace Prize. But you creams can help to thicken slightly your skin. And you want to look for creams with retinols like this one by Kate Somerville, or use a regular retin? A but buffer it with Vaseline.