Q&A: Can I make a gel with Aloe Vera Gel? Which natural preservatives might work?

In last month’s Q&A, Jaime asked, Can I make a gel without Siligel or one of the other gel makers by combining a hyaluronic gel and an aloe gel and adding biotin, caffeine and ginger extract? If so, what natural approved preservative would work? Any pH issues? The short answer is kinda, maybe, sort of -…