LOL, just LOL.
There's hundreds of online stores that already sell specialty shampoo/body wash designed to treat skin conditions and damaged hair.
You need to browse the Internet a lot more before you start thinking of any ideas, because your aim is so far off it's ridiculous. I can't even believe that you really just said that lol.
Do more research, use Google, browse the Internet more, read about Internet ventures on TechCrunch and VentureBeats, and try again in a few months.