Weekday Wonderings: How to get a gel without using synthetic ingredients?

In this post, Oil free moisturizer, Tim asks: I’m thinking of formulating a completely water-based soothing moisturising gel using natural/nature-derived ingredients. So far I’m thinking of Honeyquat for the humectant as well as a marshmallow glycerine extract a bit of extra humectant and as the emollient. The rest of it would be something like a…