COBALT: Allergen or Not An Allergen?

COBALT: Allergen or Not An Allergen?

Allergen. Cobalt A strong, common allergen, cobalt is a naturally-occurring metal, frequently found with nickel, and was Allergen of the Year in 2016. If your patch test showed an allergy to cobalt, avoid it in cosmetics as an ingredient (frequently used as a colorant for makeup), in pottery and cement, as well as in colored …

WHITE CERAMIC CUP: Allergen or Not An Allergen?

WHITE CERAMIC CUP: Allergen or Not An Allergen?

Not An Allergen. While some mugs can have rubberized plastic handles which can cause contact dermatitis, or metal parts with nickel, a plain white ceramic cup is not an allergen. Cobalt is a strong allergen and is present in pottery clay, which can cause contact dermatitis in pottery workers who handle and form the raw materials (in Management of …