Is Colophony a Tree Nut?

Colophony (abietic acid) is derived from pine trees. It contains a mixture of over 100 compounds. It is clearly a common cause of contact dermatitis, and also can cause occupational asthma as it is a known allergen.

What is a colophony allergy?

Colophony (rosin) is a sticky resin derived from pine trees and a recognized cause of allergic contact dermatitis (ACD), a type IV hypersensitivity reaction. 1 It is present in many products (Table 1) and is a common culprit of allergic reactions to adhesive products including adherent bandages and ostomy devices.

What is colophony found in?

Colophony (or rosin) is found in personal care and beauty products, topical medications, surface coatings, lubricants, adhesives and sealants, as well as the rosin for string instruments and dancers' shoes. Another potential source of exposure to colophony is diapers and feminine hygiene products.