It is (compared to other available techniques, at least) dead simple to cut out or add genes, yes. Practical human therapies that rely on gene editing involve more than just gene editing (and to be viable, profitable commercial applications, they require a whole lot of regulatory steps -- trials, approvals, etc. -- once all the pieces of the process are put together.)
So it won't be invented in America. But it will be made somewhere, then sold on the internet.
If it's sold on the internet, it will be available for bitcoin only, and maybe only via the darkweb.
When has 'safe' had anything to do with cosmetics? From fad diets to surgery, folks will do anything to look good. This will get made (somewhere) and sold (everywhere).