face exercises- do they work?

cityjaneLondon

I have lost about 39 lbs over 9 months and have noticed that my neck and cheeks are looking a bit saggy. Has anyone tried face exercises and had success? I have bought a book and recently started a few, but it's too early to judge. I am 63 so I'm not hoping for miracles, but would just like to lift a bit and avoid a wattle.