Safe & Sound: Non-Toxic Preservation for Natural Skincare

Preservation isn’t optional, it’s safety.
If you’re formulating lotions, serums, or cleansers with water, your product must be preserved properly to protect users and your brand. But choosing the right preservative can feel overwhelming. Safe & Sound makes it simple. This eBook demystifies the science of preservation in clean beauty, helping you avoid microbial contamination, failed stability, or noncompliance. Whether you’re hand-pouring batches or preparing for scale, this guide gives you the tools to preserve with confidence, and integrity.

What You’ll Learn

✔️ The difference between antioxidants and preservatives (and why it matters)
✔️ How to choose a broad-spectrum preservative system for natural products
✔️ Preservation strategies for emulsions, gels, toners, and scrubs
✔️ How to pass a preservative efficacy test (PET / challenge testing)
✔️ Shelf life myths and how to properly label your products
✔️ Clean beauty–compliant preservatives (Ecocert, COSMOS, etc.)

Who This Is For

• Indie beauty founders making water-based products

• DIY formulators unsure which preservatives are “safe”

• Students studying clean cosmetic formulation

• Brand owners prepping for lab testing and compliance

• Professionals switching from hobbyist to market-ready

“As a chemist, I’ve seen too many beautiful formulas spoiled by poor preservation. This guide is my way of helping you avoid costly mistakes, so you can create products that are not just natural, but safe.”
— Bri Muhammad, Clean Beauty Chemist & Educator