I'd add lack of sleep to that list.
But honestly, I think sun damage is overstated. You can avoid sun all your life and still wrinkle. Naturally, severe sun damage is bad, but some sun can be benificial.
The face has hundreds of muscles involved in activity all day long. It's gonna happen.
Then again, the ass is two big fatty muscles that never sees the light of day. Ever see an old persons ass? (Yik)