Aging filter
An aging filter takes a photo of your face and shows it older: greyer hair, deeper lines, looser skin. Most apps return a single still image. This one makes a short video, so you watch the change happen instead of only seeing the end result.
Because the change is spread over the whole clip, small details such as a thinning hairline or crow's feet forming are easier to notice than in a before-and-after pair. Choose Age back to run the same effect in reverse.