Based on what we've seen photo aging which causes the collapse of collagen and elastin fibers is a much greater contributor to wrinkles and muscle laxity.
Surely, using few facial exercises tips will make a colossal change to your looks and may well make you look years younger in a couple of weeks. The more frequently you do them, the better the results.
My understanding of facial exercises is that they cause microscopic tears in the collagen and cause it (collagen) to break down quicker. At my age, I am hanging on to all the collagen I can!
Interesting how botox is used to make one look younger - and their face hardly moves at all.