The Big Book of Preservatives, Part One - Fundamentals & Formulating

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e-Zine  - Digital Download
Adventures in Cosmetic Chemistry
Issue 2, 2021

by Susan Barclay Nichols
e-Zine (PDF, 662 KB)
67 pages

View the Table of Contents

In part one of this two part series, you’ll learn the fundamental concepts of preservation you’ll need to keep your products protected from contamination. You’ll learn everything you wanted to know, but were afraid to ask – what’s in my preservatives, how do they work, how do I choose the right one for the product I’m making, does pH affect their efficacy, and so much more! You’ll learn how to select the right packaging, follow the principles of hurdle technology for naturally compliant preservatives, learn more about good manufacturing processes, and how and why to get your products tested when you’re ready to sell, and then we’ll work through two formulas to select the best preservation system for each one.

This e-book also includes a huge, exclusive comparison chart of 18 of the most popular traditional and naturally compliant preservatives, along with a checklist for assessing the suitability of your preservatives for the product you’re making. And I’ve gathered information on where to have your products challenged tested ‘round the world!

Check out The Big Book of Preservatives, Part Two - The Charts of this series in digital downloads.


This e-Zine is published in English and is not available in any other languages.  This e-Zine is in PDF format and it is sent as a digital download.  It is not available in any other format and not available except as a digital download.

About the author

Susan Barclay Nichols lives in the Fraser Valley, B.C., Canada.  She stumbled upon a recipe for bath bombs and became obsessed with creating bath and body products. This is when her extreme interest in chemistry began. 

In 2009, she started Point of Interest, a bath and body products blog to share her love of creating products. Her favorite hobbies – other than creating bath and body products – include sewing, trivia, criticizing and correcting people’s grammar and spelling, and striving to achieve expert status on bass in Rock Band 3. She lives with her wonderful husband, Raymond and their adorable dog, Sasja.

Because of the downloadable nature of this product, e-zines and e-books are final sale, and therefore not eligible for a refund.

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