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.
I thought I’d share a little more on the idea of specific gravity and how we can use it for our products. I shared a series on specific gravity in January 2022, so if you’d like more information, definitely check out these posts… Let’s talk about specific gravity (relative density or specific density) – part...
Welcome back to part four – the final part – of this short series on using fragrance and essential oils! In part one, we took a look at some things to consider when using fragrance and essential oils, and how much we might use in a product. In part two, we took a look at...
Welcome back to part three of this short series on using fragrance and essential oils. In part one, we took a look at some things to consider when using fragrance and essential oils, and how much we might use in a product. In part two, we took a look at the IFRA, their maximum skin...
Welcome back to part two of this short series on using fragrance and essential oils. Yesterday, we took a look at some things to consider when using fragrance and essential oils, and how much we might use in a product. Today, let’s talk about the IFRA, their maximum skin exposure levels, why those things are,...
You may have noticed that I’ve changed how much fragrance I recommend for products over the years, going from a standard of about 1% for leave on or rinse off products, to suggesting as low as 0.3% or 0.1% for some leave on products. Why? Because fragrance oils seem to have become much stronger in...