Chemistry

Ingredient: PEG-40 hydrogenated castor oil – my methods for testing

by

I finally found time to play with my PEG-40 hydrogenated castor oil over my holidays, so let’s take a look at the results of my experiments! (I’ve done this kind of testing before using caprylyl/capryl glucoside. Check out the post here!) I chose four different fragrances that I hoped would cover the kinds I might...

This content is for Foundation, Formulation, and Innovation members only.
Subscribe
Already a member? Log in here

Weekend Wonderings: Where to get supplies and how to figure out w/v or molarity!

by

Apparently holiday time means loads of playing in the workshop, but less time working on the blog. I have so much to write, I admit I’m having trouble figuring out where to start. I’m hearing back from my testers about the eye liner sealant gel and I’m waiting to hear from other testers about the...

This content is for Foundation, Formulation, and Innovation members only.
Subscribe
Already a member? Log in here

Glycerin is water soluble!

by

I addressed this the other day, but I think I need to say it again as I’ve seen a three posts or e-mails in the last two days referring to glycerin as oil soluble. Glycerin is water soluble. It is the very epitome of being water soluble. Let’s take a look at the chemistry –...

This content is for Foundation, Formulation, and Innovation members only.
Subscribe
Already a member? Log in here

A couple of chemistry myths making the rounds…

by

Baking soda and oil will not create a soap. There is a fascinating process called saponification during which oils and a very alkaline thing like sodium or potassium hydroxide are mixed together to create a soap. We can’t extrapolate this to mean that every alkaline and every oil will mix to create a soap. Lye...

This content is for Foundation, Formulation, and Innovation members only.
Subscribe
Already a member? Log in here

Reading data bulletins

by

I think it’s important that we know how our ingredients work, so I thought I’d take a look at how to interpret a data bulletin. What is a data bulletin? It’s a document produced by the supplier of an ingredient that gives you all kinds of information, such as the INCI name as well as...

This content is for Foundation, Formulation, and Innovation members only.
Subscribe
Already a member? Log in here