Consumer Product Testing Company (CPTC) offers a vegan, in-vitro test method to estimate ocular irritation potential. There are no animal tissues or animal by-products used in the method. The assay is InVitro International’s Ocular Irritection Assay System. This standardized, quantitative in-vitro test method measures changes of relevant macromolecules to predict the ocular irritancy of chemicals, mixtures and production formulations.

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