CertLab Blogs

Insights for the food & beverage, cosmetics, OTC, and supplements industries.

Understanding Colloidal Oatmeal Lab Testing

Reviewed and approved by Darren Converse, Chemist, Project Lead, Certified Laboratories. 

Colloidal oatmeal is a...

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Step-by-Step Guide to USP 71 Sterility Testing Methods

Reviewed and Approved by Richard A. Boehler, Jr., MSc, Cosmetic Microbiology Laboratory Manager, Certified Laboratories

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Hyaluronic Acid Testing for Cosmetics & OTC Products

Reviewed and Approved by Darren Converse, Certified Laboratories Chemist.

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How To: Cosmetic & Personal Care Claims Substantiation

Reviewed and Approved by Maged Sharaf, Ph.D., EAS Consulting Group Senior Director, Labeling, Cannabis, and Claims...

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What is Preservative Efficacy Testing (PET) for Cosmetics?

Reviewed and Approved by Anjali Krishnan, PhD, Technical Manager-Microbiology Certified Laboratories; Lisa El-Shall,...

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In-Package Cosmetic Stability Testing FAQs

Reviewed and Approved by Matilda Baghdasarian, Associate Director, Certified Laboratories 

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21 CFR 211: Understanding GMPs for OTC Drug Products

Reviewed and Approved by Lisa El-Shall, Senior Director Drugs and Devices, EAS Consulting Group

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FDA dietary supplement testing requirements

Reviewed and Approved by Shelly Blackwell, Senior Director, Dietary Supplement and Tobacco, EAS Consulting Group, a ...

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Accelerated Stability Testing for Cosmetics & OTC Products

OTC and OTC-drug crossover products require stability testing, per FDA regulations. And, while FDA doesn’t mandate ...

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Guide to OTC & Cosmetic Stability Testing [+ Free Cheat Sheet]

Stability testing is the process of evaluating a product to ensure that key attributes stay within acceptable...

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Amazon Dietary Supplement Requirements for Laboratory Testing

Are you selling supplements on Amazon? 

Manufacturers and Own Label Distributors (OLD) face strict Amazon dietary...

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MoCRA: What Does it Mean for the U.S. Cosmetics Industry?

MoCRA is here, and it’s reshaping the U.S. cosmetics industry. The MoCRA law covers a wide range of cosmetics and...

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USP 797 Sterile Compounding: What You Need to Know About Sterility Testing

Sterility testing and assurance are critical regulatory compliance requirements for 503B facilities that perform ...

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How to Choose an Import Agent for FDA-Regulated Products

Enlisting an import agent is a basic requirement for importers of FDA-regulated products. Import agents are the...

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3 Tips For 503B Sterile Compounding Facilities When Choosing a Lab Partner

503B sterile compounding pharmacies are ultimately responsible for their products, even when they outsource quality and

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