CLAY: Allergen or Not An Allergen?

CLAY: Allergen or Not An Allergen?

Allergen. Clay Pottery clay can cause allergic contact dermatitis because of the presence of cobalt, which is a top allergen. The biggest risk is to people who handle and form the raw materials (in Management of Positive Patch Test Reactions, for example, the recommendation is to avoid “wet alkaline clay containing cobalt.”)* As well, keep in …