Let’s talk about potential restrictions on preservatives!

Six plastic bottles containing preservatives sit atop a metal plate on a digital scale

There may be restrictions on certain preservatives in your part of the world, something to keep in mind when you’re following formulas or creating new ones. I do my best to keep up to date on these things, but I can’t possibly know every single restriction outside of Canada or the USA because I only...

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

Q&A: What’s the process to thicken surfactants with salt?

In the monthly Q&A, Chavi asked, Hi Susan, I often see you mention if a surfactant blend can be thickened with salt. Could you describe the actual process of thickening with salt? Thanks! Adding salt – sodium chloride, table salt – is a good way to thicken certain surfactants and blends! It does this in two...

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

Let’s talk about what it means for an ingredient or product to be vegan!

This came up the other day, and I thought it’d make for an interesting post. What does it mean for an ingredient or product to be vegan? Quick summary if you don’t want to read the whole post: When it comes to making products, most of our ingredients are plant- or mineral-derived (like sand or...

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

Tips & techniques: Testing and adjusting the pH of a emulsion with a pH meter

Welcome to this detailed page on how to test emulsions – like lotions and conditioners – with a pH meter! If you’d like to read a longer post with even more information, you can find it here – Acids, bases, and pH – oh my! Part four: Testing our products with pH meters!  If you’d like...

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

Tips & techniques: Why it’s ill advised to use Aloe Vera Gel in emulsions!

I see questions about how to use Aloe Vera Gel in emulsions in every space online in which we discuss lotions, and I thought this topic needed its own post, so let’s take a moment to learn more about Aloe Vera, Aloe Vera Gel, and why I don’t suggest using the latter in emulsions. What...

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