In the post, Solid conditioner bar: The recipe, Christine asked: I made your conditioner bar that included everything except for the dimethicone. Turned out wonderful! I love it--but pricey because of the BTMS 50. Instead of using 60%, I was thinking of using 30% BTMS 50 and 40% BTMS 25. I've read your blog about substituting BTMS 25 for BTMS ...