Kevlar toilet paper! Never have a breakthrough again! It is also reusable. Just throw it in the diaper pail and give it a good washing then repack the squares in the handy dispenser. All I need is a good product name, then I am ready for production.
There are many other ideas I have thought of, only to find out they were already being done. One of my favorites was to domesticate wild dogs then cross breed them to get desired traits.
This isn’t actually an invention, but it is a good tip while camping and I know first hand it works. Put an unopened can of Beanee-Weenees in the fire. Wait about 10 minutes. When the can explodes lick the beanie-weenies off your face and shirt. No utensils needed. Serves four.