Cosmetic Your Ways Blog

Understanding Foam: How to Describe Surfactant Lather
Surfactants, Cleansing Products Zachariah Kovac Surfactants, Cleansing Products Zachariah Kovac
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Understanding Foam: How to Describe Surfactant Lather

When formulating cleansers, it’s easy to say a product “foams well” or “doesn’t lather enough.” But in cosmetic chemistry, foam isn’t just about quantity—it’s about quality.

A rich, creamy lather feels very different from big, airy bubbles, even if both technically “foam.” Learning how to describe foam properly will help you formulate more intentionally—and communicate more clearly.

Let’s break down the language of foam.

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Surfactants, Nonionic Surfactants, Ionic Surfactants, Krafft Point, Cloud Point Zachariah Kovac Surfactants, Nonionic Surfactants, Ionic Surfactants, Krafft Point, Cloud Point Zachariah Kovac

Cloud Point and Krafft Point

In this post, I’m going to talk about two concepts that every cosmetic formulator should know: the Krafft Point and the Cloud Point. I first came across these terms while taking a course through the Society of Cosmetic Scientists (SCS) on surfactants, emulsifiers, and rheology modifiers. They might sound like small details from a physical chemistry lecture, but in practice, they’re essential to understanding why your cleanser might go cloudy in winter or why your micellar water starts to separate on the shelf.

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Disclaimer:

You are at your own risk when making anything from this blog. I am not liable for any mishaps that may occur. I do my best to include everything in the procedure to minimize the likelihood of accidents. My recommendation is always to read the post entirely first and then make the product.
Please keep in mind that these recipes/formulations are NOT meant to be sold or reproduced in large quantities. None of my recipes has been appropriately stability tested. I recommend seeking professional help if you want to start your own line of business. (link)
Always test a patch of new ingredients before using them.
Comments and opinions written by authors on Cosmetic Your Ways are their own and do not represent the views of any past, present, or future employers.

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