I am a diabetic, so occasionally get a small amount of sugar "overspill" in my urine. That can encourage yeast infections. So I *do* wash my labia with color- and fragrance-free olive oil soap using Zany's recipe. I notice that those that sell "Yoni Soap" are pretty adamant about how necessary...
Where did you get your micas? Lavender/Purple is notorious for changing to a dull grey. I don't remember if we are allowed to give links or mention suppliers on here, but there are a couple that have good purples that do survive in CP