Yes it will work and it will not cause bubbles:- because hair & fabric conditioners are both oil based and will kill foam. Don't use too much because fabric conditioners contain approx 2-4% actives (& over 90% water) and Hair conditioners are approx ...
I've heard that it doesn't do anything additional to your hair if you leave it on for longer than it says to. Usually if there are more benefits to be reaped from a product, they want to tell you so you'll experience it and want to buy their product ...
Look into portable air conditioners. Go to or call an air conditioner company and ask questions about portable air conditioners. Here is a website to check out: