Glossary · Formulation
What Is Stability Testing?
Stability testing is the process of storing a cosmetic formula under accelerated and normal conditions — elevated temperature, cold, freeze-thaw cycles and light — then measuring how its appearance, viscosity, pH and microbial control change over time. It predicts whether the product will survive its intended shelf life in real distribution.
Why it matters when you source
A formula that separates in a warehouse in July is a refund program, not a product line. Every order we ship includes a stability summary for the batch, so the shelf-life claim on your label rests on data rather than optimism.
Continue reading
- Cosmetics stability testing guide →
- Skincare manufacturing capabilities →
- Challenge test (ISO 11930) →
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