Purpose: Patch testing is generally done to see whether a particular substance is causing allergic skin inflammation (contact dermatitis). It can also detect delayed allergic reactions, which can take several days to develop.
This test is completed with a survey of 50 individuals specifically for Sensitive Skin.
Usually done for leave on products and is needed for a product to claim that it is dermatologically tested.
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Lead time of testing is around 4 weeks
Testing sample needed is around 300g