More questions about preservatives! Is citric acid a preservative? And how much preservative should I use?

There are loads of you with loads of questions about preservatives, so let’s take a look at some of those comments now! HOW MUCH PRESERVATIVE SHOULD I USE?In this post, Question: Why would you leave preservatives out for sensitive skin?, Mariena asks: I use Phenonip in my lotions and emulsified scrubs and was wondering about...

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

Question: Why would you leave out preservatives for sensitive skin? What do I mean by “water”?

Sarah asks in this post, Lotions: Making a cream: I made an unscented cream yesterday for my friend with very sensitive skin. I left the cream in the bowl over night with a stainless steel spoon in it. Today I noticed on one side of the spoon the cream has been discoloured (purple in colour). From...

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

Weekend Wonderings: Why can’t I use Germaben II with an emulsifed scrub? Can I use the deodorant additive in a solid scrub bar?

WHY CAN’T I USE GERMABEN II IN AN EMULSIFIED SCRUB?In this post on making a black cocoa emulsified scrub, Sophia asks: Oh no, I can’t use germaben II? I thought because there is e-wax in it I could use it? So what will happen? I watched a lady use it in her e-sugar scrub and it...

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

Weekend Wonderings: The search is working again! How much does the shelf life increase when we add anti-oxidants? Will Leucidal work with sugar scrubs?

THE SEARCH ENGINEIn this post on Emulsifiers: Making a simpler Lotionpro 165 body butter Lise asks: Search function is working on my blog again- I just dropped in to search for something on yours and can’t find it. Did you take it down? I did take the search down because I was growing tired of...

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

Weekend Wonderings: What’s a plasticizer? Can we add BTMS to lotion bars? Why don’t I use GSE or Vitamin E as preservatives?

WHAT IS A PLASTICIZER?In this post on sorbitol, Marjo asks: I am suddenly obsessed with this plasticizer reference… Sorbitol is one of them. I think cyclomethicone is increasing spreadability so that is a plasticizer too? Or do they also need to do film forming? Are there more like these and would we want them to be in a...

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