Surfactants

Surfactants: Cleansing descriptions and increasing mildness – introduction

by

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?

by

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

Q&A: Can we soak SCI in water overnight to dissolve it?

by

In the September Q&A, Melanie wrote: As an aside, I heard that an easy way to dissolve SCI chips is to soak them in the water overnight. I tried this and it worked well. Would you see any problem with doing this? I can’t seem to ever get it to dissolve, without grinding it, even...

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

Q&A: De-ionized or de-mineralized water? Substitutions for liquid surfactants for oily hair? Corn starch in Neal’s Yard Products?

by

I’m working my way through the August Q&A now, but it’s hard to answer in short paragraphs when I see all the wonderful things you’re asking that send me off down rabbit holes! In the August Q&A, Melanie asked, I used to be able to buy distilled water easily, now it is almost impossible where I...

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

Q&A: Why do people use apple cider vinegar rinse after washing with alkaline products? Why not just make the shampoo bars with very low pH? (Tons of information about hair chemistry and shampoo bars…)

by

In the July Q&A post, I live in an area with very hard water, and I’ve heard that could cause a problem when using shampoo bars. I’ve also heard about apple cider vinegar rinse, which does not sound too pleasant to me. Would you shine more light on this? Does the vinegar rinse work because of...

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