Will gaining weight make facial wrinkles caused by rapid weight loss go away?

See below. You will gain weight in your face, which may make the wrinkles less noticeable. However, that is not a reason to gain weight. Being overweight and obese can have more serious complications than wrinkles.
Yes. Yes, fat in your face will make the wrinkles less visible, but there are safer ways like Botox and dermal fillers. Fat transfer is another option. Yes, Botox is much safer than gaining the weight back!