Our FAQs
General Questions
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FAQ’s
Our experts have compiled answers to the most important questions about cosmetic testing for you in our FAQ. Need more information? Contact us today!
GSL Testing Lab is located at 115/1 M, Quaid-e-Azam Industrial Estate, Kot Lakhpat, Lahore, 54000.
Our testing service covers comprehensive parameters including the physical, chemical, and microbiological safety of your Product. This includes ensuring samples are safe and non-toxic, microbiological testing for harmful microorganisms, and assistance with product declarations and export testing services.
- pH testing: Minimum 250 ml.
- Viscosity testing: Minimum 250 ml.
- Stability testing: 5-10 individual samples in retail packaging.
- PET testing (Preservative Efficacy Testing): Minimum 250g per sample.
We recommend labeling samples clearly and accurately, keeping records to prevent confusion. Ensure the label matches the information you want on your final report for precise identification and reporting of results.
Please securely pack your sample to prevent leakage during transit. Use your product's final packaging, securely sealed, to ensure samples arrive in optimal condition for testing.
A stability test evaluates a cosmetic product's ability to maintain its physical and chemical properties over time under specified conditions. It determines shelf life, identifies changes in quality, and ensures product safety and efficacy.
We adhere to Cosmetics Regulation (EC) No. 1223/2009 for EU standards and Pakistan Standards and Quality Control Authority (PSQCA) for national standards, ensuring compliance with regulatory requirements.
EP (European Pharmacopoeia), USP (United States Pharmacopeia), and PS (Pakistan Standards) provide specifications and methods for products sold within their respective regions, each tailored to regional regulatory requirements.
Regulations vary globally, with some overlap. Our experts can help determine the best testing plan based on relevant regional regulations.
Testing results, including a Certificate of Analysis (COA), will be delivered via email for convenience. Alternatively, you can collect a hard copy directly from the lab.
Each test varies:
- Stability and compatibility: Approximately 3 months (accelerated).
- Chemical, physical, and microbiological specifications: About 3 days.
- Challenge test: Around 4 weeks.
If your product does not pass a test, our experts will promptly notify you and collaborate on a retesting plan. Test results and communications are confidential and shared only with the requester.
Yes, we plan to offer training courses on product cosmetics testing, including an annual cosmetics conference and tailored in-house sessions. Stay tuned for updates once plans are finalized.
If your questions remain unanswered, please contact us directly at 03095888191 for personalized assistance. We're here to help!
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