rancidity

Q&A: Are only natural oils or butters prone to oxidation? Are water soluble ingredients? How can we protect these ingredients?

by

In the monthly Q&A, Noémie asked, Hi Susan, I’m a new subscriber and I love your work. I’m a beginner and I have a quite basic question : why only natural oils/butters are prone to oxidation ? If I well understood, oxidation occurs on double bonds in hydrocarbon chains, but don’t esters (derived from natural fatty...

You are not logged in. This content is for $3 Level, $5 Level, and $10 Level members only. Please login if you are a member.
Log InSubscribe

A review of rancidity and anti-oxidants

by

I’m always surprised to see how much worry there is about rancidity when it’s something we don’t encounter as often as you’d imagine. Won’t you join me on an exciting adventure to learn more about rancidity in our products? What is rancidity? Rancidity is when our oils “go off” and smell horrible after being exposed...

You are not logged in. This content is for $3 Level, $5 Level, and $10 Level members only. Please login if you are a member.
Log InSubscribe

Weekend Wonderings: Covering up medicinal hydrosol smells? How long does Vitamin E extend a shelf life? What is rosemary extract – anti-oxidant or preservative?

by

COVERING UP MEDICINAL HYDROSOL SMELLS IN A TONER?In this post, Making a toner for the oily skin type, Lynda asks: I made the toner recipe above and I don’t like the way it smells. I love the scent of fresh rosemary, but the brand new rosemary hydrosol I opened to make this has a medicine smell...

You are not logged in. This content is for $3 Level, $5 Level, and $10 Level members only. Please login if you are a member.
Log InSubscribe