In this post, Anonymous asks: Hi Susan, I have a question about glycerin. I have read that it can act as a preservative, but the amounts I’ve read where it’s effective have been anything from 15-70%. I was wondering if I make a simple glycerin-water spray, with about 20% glycerin, if I need preservative or if…
The home of SwiftCraftyMonkey Formulating Inc.! Join Susan as she obsesses about cosmetic chemistry and other things (some possibly related to monkeys). Often strange, occasionally useful, and always worth a stop as a point of interest on your journey through the Intertron.
