Feb 13, 2026 | COS Edu Guide, Stability
The following are common terms and their definitions related to stability testing for cosmetics and over-the-counter (OTC) drug products. Accelerated Stability Study: A stability test conducted under elevated temperature and humidity conditions to predict how a...
Feb 13, 2026 | COS Edu Guide, Stability
Commonly asked questions about “stability” or “shelf-life” projects/studies for cosmetics and OTC drugs. Stability testing is the process of confirming that a product will remain safe and effective over its entire shelf life. This 201-level guide covers the basic...
Feb 13, 2026 | COS Edu Guide, Stability
Commonly asked questions about “stability” or “shelf-life” projects/studies for cosmetics. Which products need stability testing?Cosmetic or OTC brands with Expiration dates or “Use by” dates on packaging. What does “stability” mean?A process used to check how long a...
Feb 13, 2026 | COS Edu Guide, Stability
Provides an overview of ICH Climatic Zones, scheduled time points, and the key parameters customers can select to evaluate during a stability study. Where Are Your Products Being Sold? The lab must know where your product will be sold to design a stability protocol...
Feb 13, 2026 | COS Edu Guide, Stability
Accelerated Stability Study: A stability test conducted under elevated temperature and humidity conditions to predict how a product will age over time. It helps estimate shelf-life more quickly than real-time studies. Active Ingredient Potency Assay: A test that...
Feb 13, 2026 | COS Edu Guide, Stability
Which products need stability testing?Dietary supplement brands with expiration dates, best-by dates, or shelf life claims on product labels. What does “stability” mean? Stability is the process used to evaluate how long a dietary supplement remains safe,...
