Members’ Q&A: Using different weights of hyaluronic acid? How to use sodium carbomer powder?

In the April Q&A, Sarah asked: I bought some sodium carbomer (powder, from Lotioncrafter) because I don’t yet have a pH meter, and liked the idea of something I didn’t need to neutralize. I have found one instance of you using Sodium Carbormer, in your recipe for cream-gel in your Cosmeceuticals vol. 2 e-zine; you recommend…