Surfactants: Cleansing descriptions and increasing mildness – concentration and altering the shape, size, and packing of micelles

In our post on Wednesday, we took a look at a few ways we might define what it means for a surfactant to be classified as gentle, mild, or harsh. Thursday, we took a look at how micelles, critical micelle concentration, and other ingredients have an impact on surfactant classification. And on Friday, we took a...

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

Surfactants: Cleansing descriptions and increasing mildness – active surfactant matter and irritation potential

In our post on Wednesday, we took a look at a few ways we might define what it means for a surfactant to be classified as gentle, mild, or harsh. Yesterday, we took a look at how micelles, critical micelle concentration, and other ingredients have an impact on surfactant classification. Today, let’s consider a few...

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

Surfactants: Cleansing descriptions and increasing mildness – micelles

Micelles are a super important part of surfactant mildness, so let’s take a look at what they are and why we should care. Micelles are defined as “an aggregate of surfactant molecules dispersed in a liquid colloid”. A colloid is a type of mixture in which one substance is evenly dispersed throughout another. There’s generally...

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

Surfactants: Cleansing descriptions and increasing mildness – introduction

In this post, The new e-zine, Surfactants: Making Foaming Facial Cleansers, Marta asked: Would you explain the different cleansing descriptions in relative terms the next time you’re discussing surfactants? Is gentle less irritating than mild or the other way around? In “Surfactants: A Reference Guide,” sodium cocoyl isethionate has mild to gentle cleansing while Miracare Soft...

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

Q&A: Incorporating SCI into a liquid shampoo or body wash?

In yesterday’s post, we reviewed how we might use sodium cocoyl isethionate (SCI) in a liquid product. We found was poorly soluble in water – 0.01% at 25˚C – so we took a look at a few ways we might incorporate SCI into a daily shampoo. Let’s take a look at a few different formulas...

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