Unit focusing in Patch Test, where more than 4200 tests are conducted every year.
In this way, the development of a compatibility study, depending on its predetermined protocol, for being used to evaluate the safety of a product regarding:
It aims to confirm the absence of derma irritation, it last one week and a single product application is made.
It aims to confirm the absence of cumulative irritation, it lasts three weeks and nine applications of the test product are made.
It aims to confirm the absence of irritating and sensitization potential of a product, it lasts 6 weeks and it is divided in three weeks (nine applications of the product), one week of rest and one week of challenge (one application of the product).