Thank you, Perry. I do not want to be a chemist. I want to create and make good quality bath and body products, and understand why I use the ingredients I use. My testers are giving me great feedback on products I’ve made. I’m confident to start small locally with a colored brochure, and see where it takes me. My confusion is when it seems the author who is giving the recipe knows what they’re talking about, and says to use 10% of an ingredient, but when I begin researching an ingredient I’m unfamiliar with, I’ll come across two different websites, one saying usage up to .5% and another website saying usage from .5 up to 3%. I had hoped there might be a couple ‘catch all’ websites for accurate information/guidelines on usage rates. I’m good at over thinking everything, and this is probably one of those times. Thanks again for you input.