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 | Amazon Testing, COS Edu Guide
Basic FAQ Guide Why does Amazon require lab testing for dietary supplements?Amazon mandates third-party testing to ensure product safety, label accuracy, ingredient authenticity, and absence of unsafe contaminants for supplements sold on its marketplace. This helps...
Feb 13, 2026 | Amazon Testing, COS Edu Guide
Amazon dietary supplement testing helps confirm products meet Amazon compliance expectations for safety, label accuracy, and regulatory requirements. This guide explains what qualifies as a dietary supplement, what Amazon prioritizes, and what you need in place for...
Feb 13, 2026 | Amazon Testing, COS Edu Guide
Amazon dietary supplement compliance requires the right testing, documentation, and third-party verification to support Amazon requirements. This 301 guide summarizes key compliance parameters, explains how COAs are submitted through an Amazon-approved supplements TIC...
