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.
(Link) This means something is negatively charged. Most of the surfactants that have “sodium” or “ammonium” in the name will be negatively charged.