How to Choose Preservatives for Skincare Formulations

Why Preservatives Matter

Every water-based cosmetic product needs protection from microbes. Preservatives prevent contamination that can cause spoilage, irritation, and brand damage. Choosing the right system ensures safety, stability, and shelf life.

Main Types of Preservatives

Broad-Spectrum Systems: Effective against bacteria, yeast, and mold.
Natural-Derived Options: Often used for “green” formulations but must still pass challenge testing.
Alcohol-Based and Chelating Systems: Add mild protection and can complement other actives.

How to Select a Preservative

Match the pH range of your product to the preservative system.
Check compatibility with fragrances, surfactants, and emulsifiers.
Review label claims — “paraben-free,” “natural,” etc.
Conduct preservative efficacy testing before launch.

Compliance and Documentation

Always refer to the product’s SDS and follow regional cosmetic regulations (EU, US, or UK). Keep proper documentation for audits.

Summary

Preservatives are your best insurance for safe, long-lasting products.
Shop our preservative range or download our preservative compatibility checklist to guide your next formulation.