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.
In the July Q&A, Tessa asked, So here’s where I need help: How to substitute surfactants. There’s a formula that calls for 5% SCI (powder) and I’d like to use Sodium Lauroyl Sarcosinate instead. But how can I know what % of this ingredient to use so I can get the same cleansing effect as…