My bathroom is beginning to look like a lab at p&g.
I hear you Hank...but, that's 1/2 the fun. It's like cooking. You start off with a recipe someone published, using ingredients they recommend and you slowly make modifications until you find something that is your creation

This is strictly my opinion and depends if you have the patience. interest and time to play around with the chemistry. I am lucky enough to have a career where I make my own time and don't have to be anywhere until I am ready, therefore time is something I have

Cheers,
-Robert