So my order from Brambleberry arrived and I decided to try out color and fragrance. For my first time I went with a purple soap using Brazilian clay because purple is my favorite color. I premixed 2 oz of the clay with 4 oz oil and added it at trace. I also added 5 or 6 tsp or so of shredded loofah to the base oils. For fragrance I chose their Lilac FO because (jeopardizing my man card here) I really like lilacs. This I added at trace, 2 oz, and to say "accelerate" is an understatement. It was like mixing mud. My mighty stick blender managed to get it incorporated as I frantically dumped in the color and stirred like crazy but there must be a better tactic. Help please

Oh, the batch size was close to 5 lbs.
I would like to try an apple cinnamon for my next attempt using their Red Apple FO and red clay. I neglected to order anything cinnamon however. The local health food store had some EO's, actual cinnamon bark being cost prohibitive, I picked up Cassia as a substitute. Would this work? If not, it was cheap and discarding isn't a big deal. What would be a good way to add a cinnamon scent to this? I'm aware cinnamon can be tricky as it's a potential irritant.
Thanks in advance for your forthcoming expert advice!