There are many types of mineral oil sold on the website, 5cst, 15cst, 26cst, 32cst, 68cst. If you want to make a lotion formula, which one should I use?
There are many types of mineral oil sold on the website, 5cst, 15cst, 26cst, 32cst, 68cst. If you want to make a lotion formula, which one should I use?