Lab evidence
Rigorous Lab
Testing
Every product undergoes strict hands-on evaluation in independent laboratories.
ABOUT Lens
Lens is Europe's leading independent product testing organization. We test everyday products for harmful substances, safety, and quality — so you can make better, safer choices for your family and the environment.
We buy products anonymously, test them in certified laboratories, and publish the results without influence from manufacturers or advertisers. Your trust is our greatest responsibility.
Learn more about our testing process
PURPOSE & DIRECTION
Our purpose is to empower businesses and individuals with transparent, quality insights and tools.
We are dedicated to delivering uncompromising, independent evaluations and data-driven insights. Our mission is to bridge the gap between consumers and quality products through rigorous testing and objective analysis.
We envision a marketplace where authenticity and quality are paramount. By fostering innovation and maintaining absolute independence, we aim to be the most trusted reference point for product discovery worldwide.
"The most trusted reference point for product discovery worldwide, elevating consumer confidence everywhere."
GUIDING PRINCIPLES
We believe in integrity, customer success, continuous innovation, and uncompromising quality.
We never compromise on the truth. Our testing data is presented transparently without filter or bias.
We put consumers back in the driver seat, providing the clarity needed to make confident, healthy choices.
We continuously evolve our laboratory methods and analytical tools to stay ahead of emerging chemical and product risks.
From our editorial rigor to our lab partnerships, excellence is our standard in every single review we publish.
WHY TRUST US
Every verdict is built on anonymous purchasing, accredited lab work, and a strict separation from brand influence.
Lab evidence
Every product undergoes strict hands-on evaluation in independent laboratories.
No sponsor pressure
We buy our own test units. No sponsored reviews, ever.
Clear standards
Zero affiliate pressure. Zero manufacturer influence. Pure, honest testing.
How we test products
Independent lab-tested cosmetic insights that reveal hidden ingredient risks, product safety profiles, and cleaner alternatives before they touch your skin.
Step 1
We purchase every product anonymously from drugstores and pharmacies. No manufacturer is informed in advance - no special samples accepted.
Step 2
Accredited independent laboratories analyse every product for over 50 harmful substances - including contaminants that never appear on any label.
Step 3
Every product receives a grade from Very Good to Failing - based purely on lab findings, with full ingredient transparency and no commercial bias.
Stay informed
Track new lab test results, ingredient warnings, and category updates so you never miss a finding that could affect your daily routine.
Questions & Answers
Have questions about our organization or background? Check out our most frequently asked questions.
We use it to provide a clear, consistent way to evaluate products. This helps users compare options and make more informed decisions quickly.
Titanium Dioxide (nano) is a UV filter that may be genotoxic when ingested. It is flagged in lip products since part of lip products can be swallowed.
Yes. All test results on this website are from the OKO-TEST Jahrbuch Kosmetik 2023 special edition.
We purchase all products anonymously from stores, then send them to accredited laboratories that test for 50+ substances.
We regularly review and update product ratings to reflect the latest information, testing results, and industry standards.
Organic certification indicates that a product meets recognised organic standards. However, it's still a good idea to review product ratings, ingredients, and certifications before making a purchase.