Hello I would like to send my cousin some sugar scrub but need to check if I got all my base coverd I add sugar shea butter oil and 5 drops of perservative, and scent do I need anything else like to make sure no mold or bastica I know I spelled that wrong I don't want her to get sick she said that she will be my tester. Thanks I also made a scrub using lotion and sugar do I need to add a pervative? Thanks again.