Preservatives

Weekday Wonderings: Should we reduce the preservatives in a product if they’re already in the ingredient?

by

Hey everyone! I’m furiously working on the last pages of the facial products e-book, hence the lack of posts this week. I’m re-making products, taking pictures, adding photos, and generally writing a lot. If you’d like to suggest something, hie thyself to this post – Please share your thoughts about the facial products e-book –...

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

Vitamin E is NOT a preservative and you don’t have to add a preservative to an anhydrous product (updated)

by

Vitamin E is not a preservative. It is an anti-oxidant. An anti-oxidant will slow down the rancidity of your oils. A preservative prevents the contamination of your product by things like bacteria, yeast, or mold. Vitamin E will not prevent contamination of your products, but it will retard the rancidity of the oils in your...

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

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

by

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”?

by

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?

by

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