your skin will be more sensitive and I do believe that I remember it being more painful to get waxed. the hair on my legs pretty much ceased growing when i was preg. other places, not so much )
you can use antiwrinkle cream if it DOES NOT contain vitamin A or any type of retinol, retinoid, or its derivative. Best anti wrinkle cream is sunscreen and no smoking and staying out of the sun.

yes because they get to use it for free for advertising but if they are old they are old I don’t see much of a difference.