independent

laboratory expert in

Endocrine Disruptors

Our Expertise

A team of researchers, PhDs in Physiology, specialized in elucidating endocrine disruption mechanisms :

  • Estrogens
  • Androgens
  • Thyroid hormones
  • Steroidogenesis

Our Mission

Reconciling ethics, protection of human health and environment:

  • Implementation of alternative tests to replace studies performed on laboratory animals
  • Enabling all industries to protect human health and environment by analyzing their products
  • Supporting on endocrine topics by studying available data

Our Experience

Since our creation in 2005, we have worked on hundreds of products dedicated to many different markets. Our testing technology offers the advantage of being adapted to any type of:

  • Ingredients
  • Mixtures
  • Finished products
  • Packaging
  • Water samples

Recognition

Patented methodology under exclusive license from the CNRS and the Museum of Natural History (MNHN):

  • Validated by the OECD
  • Mentioned in OECD Guidance Document 150
  • Listed in the ECHA EFSA Guidance document and in the annex of this document
  • AFNOR and ISO standards
  • Listed in annex 440/2008 of REACh
Our Expertise
Our Mission
Our Experience
A Global recognition

Laboratoire Watchfrog helps you meet your "endocrine disruptor" challenges.

Our mission is to provide you with quantified elements to contribute to the risk assessment of your ingredients, products, packaging and water samples. More than just a laboratory, we help you build a tailor-made strategy, based on your context, in order to find the appropriate methods and protocols.

You want to prove the quality of your product by measuring its endocrine activity thanks to quality support and rapid tests at a very affordable cost, Watchfrog is your ideal partner!

The tests developed and available within our laboratory are based on 3 hormonal axes with established criteria: The Thyroid, Androgenic, Estrogenic axes including the mechanisms of Steroidogenesis.

Thyroid test
Androgenic axis and Steroidogenesis test
Estrogenic axis and Steroidogenesis test

Our ethical values ​​have been the basis of our creation and of the development of our studies.

Indeed, by using eleutheroembryos, we offer a relevant physiological diagnosis on the scale of an entire organism while reducing the use of laboratory animals.

Serving your active substances and products.

We work for various markets and conduct testing on a wide range of samples: ingredients, finished products/formulations, and other materials.

Our services include:

  • Bibliographic research
  • Data evaluation
  • Support with scientific expertise
  • Screening of product portfolios 
  • Reformulation – substitution of ingredients/co-formulant
  • Possibility of carrying out in-silico, in-vitro tests through experienced partners
  • Advice and regulatory support through our R&D network
  • Preparing strategic testing plans based on your needs

Waste water

Drinkable water resources

Bathing water & wetlands

Studies dedicated to Water and the Environment

  • Measuring treatment efficiency
  • Environmental impact of effluents
  • Evaluation of bathing water & wetlands
  • Study of drinkable water resources

Looking for continuous innovation, we offer tailor-made solutions to meet your specific needs.

We can support your R&D efforts and have the French Research Tax Credit (CIR - Crédit Impôt Recherche) approval.

Join us at the conference Cosmetic Environment & Safety – Cosmetic Valley, on July 1st, in Louviers.

We will attend the 9th edition of the International Conference on Dietary Supplements & Innovation, from June 24 to 26, 2025, in Mandelieu!

Publication of the REACTIV Test Guideline No. 252 (Estrogenic test)

Laboratoire Watchfrog is Member of:

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