Cosmetics, OTC, & Supplements Lab Services

Certified Laboratories offers a wide range of analytical chemistry, microbiology, in-package stability, sterility, and other laboratory testing services for manufacturers and distributors. Our North American network of ISO 17025-accredited labs includes five locations dedicated to serving the cosmetics, personal care, over-the-counter (OTC) drug, supplements, medical device, household cleaner, and other industries.

Sample submission forms, our new client packet, and other standard forms are available here

Agriculture

Cosmetics & Personal Care Products

Certified Laboratories provides comprehensive testing services for cosmetics and personal care products. Leveraging state-of-the-art equipment and validated methods, we offer expert analyses including microbiology, chemistry, stability studies, and preservative effectiveness. Our services, compliant with cGMP/GLP, FDA, ISO, and Health Canada standards, verify product safety and performance. We’re known for innovation, speed, flexibility, and expert support.

Dairy

Over-the-Counter Products

Certified Laboratories excels in OTC product testing, confirming active/inactive raw material and finished goods’ identity, purity, strength, and quality. We evaluate microbial contamination, conduct shelf-life testing, and guide product labeling, complying with FDA and cGMP regulations. Our expertise spans chemistry, microbiology, toxicology, sterility, and stability studies, serving both manufacturers and distributors.

Import

Dietary Supplements and Botanicals

Certified Laboratories offers rigorous testing for dietary supplements and botanicals, confirming identity, purity, strength, and composition. We ensure compliance with FDA’s cGMPs (21 CFR 111), using cutting-edge methods and instruments. Our services include Amazon-compliant testing, international GFSI compliance support, and assistance in creating accurate supplement facts panels. We excel in testing amino acids, botanicals, enzymes, minerals, vitamins, fatty acids, and more.

Person applying eye drops to eye.

Sterility Testing

Certified Laboratories provides consistent, compliant sterility testing to ensure your products are free of viable microorganisms and meet safety standards. Using validated methods in an ISO-certified class-5 environment, we test a wide range of products, including injectables, cosmetics, and ophthalmic solutions (we are an Amazon-approved TIC for opthalmic products). With a commitment to accuracy, competitive turnaround times, and collaboration, we help you deliver safe, high-quality products with confidence.

Sunscreen used to create an image of the sun.

Sunscreen

We deliver comprehensive sunscreen testing to validate product quality and ensure compliance with FDA and cGMP regulations. Our ISO 17025-accredited labs provide chemistry, microbiology, stability studies, and sterility testing for active raw materials and finished products. From broad-spectrum SPF evaluations to preservative efficacy testing, we offer accurate results, competitive turnaround times, and responsive service to support your sunscreen development and quality programs.

Cough syrup pouring into a spoon.

In-Package Stability Testing

Certified Laboratories provides in-package stability testing for cosmetics, OTC products, supplements, and more, following ICH, FDA, USP, and ISO guidelines. With over 100 stability chambers, we offer long-term, intermediate, accelerated, and photostability testing to support shelf-life and expiration claims. Our responsive team delivers timely reports, expert recommendations, and clear data to help you meet regulatory requirements and launch your products with confidence.

Person applying ointment to hands.

Drug & Medical devices

We support drug and medical device manufacturers with comprehensive testing for a variety of products, including medicinal ointments, solutions, gels, and medical device lubricants, including 510(k) submissions. Our ISO 17025-accredited labs follow cGMP practices and conduct sterility testing in an ISO class-5 environment. We offer USP monograph raw material testing and use validated methods to ensure your products meet regulatory standards and quality expectations.

Household cleaning products.

Household Cleaners

Certified Laboratories provides consistent, compliant testing for household products, including detergents, cleaners, sanitizers, soaps, wipes, raw materials, and more. Our ISO 17025-accredited labs use validated methods and adhere to cGMPs to deliver accurate results that support compliance with regulatory standards. As always, you can reach out to our technical experts with questions throughout the entire testing process.