Take the guesswork out of preserving your DIY cosmetics with this comprehensive 52-page ebook, designed to help you create safe, stable, and long-lasting formulations.
Dive into nine in-depth chapters covering bacteria, yeast, and mold, learning how these microorganisms thrive and how to protect your products from contamination. This must-read guide includes a 9-page Preservation Chart, breaking down the most effective preservation options for different formulations.
You'll also gain essential knowledge on Good Manufacturing Practices (GMP), ensuring that every step of your formulation process prioritizes hygiene and product safety.
As a bonus, this ebook includes two professionally crafted formulations:
✅ Emulsified Body Butter
✅ Hair Conditioner
Perfect for DIY beauty enthusiasts, indie formulators, and small business owners, this ebook is your go-to resource for understanding preservation and keeping your handmade cosmetics fresh and safe.
 
TABLE OF CONTENTS
 
Chapter 1 
Converting A Formula 
Chapter 2 
Scaling Up 
Chapter 3 
Bacteria In Cosmetics 
The Anatomy of a Bacterial Cell 
Additional Features Found in Some Bacteria 
Gram Staining: A Key Identification Method 
Bacterial Growth and Reproduction 
Chapter 4 
The Conditions for Bacterial Growth and Multiplication 
Water: The Basis of Bacterial Life 
Energy Sources For Bacterial Growth 
Phototrophs: Harnessing Energy from Light 
Types of Phototrophs 
Relevance in Cosmetic Formulation
Chemotrophs: Deriving Energy from Chemicals
Relevance in Cosmetic Formulation
Preventing Energy Utilization in Cosmetics
Preservatives 
Low Nutrient Availability 
Packaging 
Essential Nutrients: The Building Blocks of Bacterial Growth 
Implications for Cosmetic Formulation 
Temperature: The Sweet Spot for Reproduction 
pH: The Acid-Base Balance 
Oxygen: The Role of Aerobic and Anaerobic Conditions 
Chapter 5 
Mold in Cosmetics 
Mold in Cosmetics: An In-Depth Look 
Structure and Growth of Mold 
Mold Spores: Reproduction and Resilience 
Mold Colonies: Visibility and Identification 
Challenges Mold Poses to Cosmetics 
Prevention and Control of Mold in Cosmetics 
Chapter 6 
Yeast In Cosmetics 
Understanding Its Growth and Risks 
The Basics of Yeast
Reproduction in Yeast: The Process of Budding 
Growth Patterns of Yeast 
Ideal Conditions for Yeast Growth 
Comparison with Mold Growth 
Preventing Yeast Contamination in Cosmetics 
Chapter 7 
GMP (Good Manufacturing Practice) 
Facility and Equipment Standards 
Facility Standards 
Equipment Standards 
Importance of Facility and Equipment Compliance 
Establishing a Cleaning and Sanitizing Routine 
Cleaning and Sanitizing Equipment 
Special Considerations for Equipment Maintenance 
Benefits of a Proper Cleaning and Sanitizing Routine 
Personal Hygiene Guidelines 
Why Hygiene Matters in GMP 
Chapter 8 
Investigating Microbial Growth in Cosmetic Formulations 
Signs of Microbial Contamination 
Steps to Investigate Microbial Growth 
Addressing Contaminated Batches 
Preventing Future Contamination 
Learning from Contamination 
Chapter 9 
An Introduction to  Preservation in Cosmetic Formulation 
Why Preservation Matters 
Key Considerations for Choosing a Preservative 
Additional Factors to Consider 
A Beginner-Friendly Preservation Guide 
PRESERVATIVES 
Formula Hydrating Emulsified Body Butter 
Formula Beginner-Friendly Hair Conditioner (Suitable For Fine Hair)