• Non-animal Testing by a Man
  • Non-animal Testing by an Woman
  • Non-animal Testing at Lab



The Irritection® Assay System is a standardized and quantitative in vitro test method which accurately predicts the ocular and dermal irritancy of chemicals, mixtures and product formulations.

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Corrositex® is an in vitro test that determines chemical corrosivity and permits assignment of a GHS Category and U.N. Packing Group classification for Class 8 corrosives.

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Lab Services

InVitro performs outsourced standard testing services for the Irritection® Assay System and Corrositex® as well as providing Customized Technology Services using its in vitro test results data base of several decades.

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Welcome To InVitro International

InVitro International offers REACH/GHS quality test technologies...

InVitro International (IVRO), headquartered in Placentia, CA was established in September 1985 and is a customer and technology driven provider of non-animal testing methods. IVRO develops and commercializes globally both test kits, and laboratory services.

Our testing technologies are designed to produce global Regulatory Agency accepted data re: ocular/dermal irritation® and corrosivity which correlate highly with animal and human test results. Corrositex®, InVitro’s dermal corrosion testing assay, is accepted by GHS/OECD as well as virtually all other Agencies globally.

Ocular Irritection® is adopted by OECD and accepted by REACH (GHS) to assess chemicals and formulations in Europe’s several year ongoing program to reclassify all chemicals used there. Whether using InVitro International testing data alone, or with weight of evidence reasoning, Ocular Irritection® and Irritection® Dermal test results are part of a 30+ year record of accurately predicting human eye and skin irritation.

Contact InVitro International at 1-800-2-INVITRO any time for more information.

The InVitro International Advantage

  • “The Corrositex® Advantage”: Ensures Compliance, Convenient, Cost effective, and Government approved

  • Corrositex® vs. In vivo or pH Testing : Corrositex® provides quicker results and greater accuracy

  • Need results quickly? Send your sample today and get your results in 24-48 hours!

  • Over 25 years of proven performance in the marketplace. A Cruelty free, humane approach to meeting product safety testing requirements.