What it is
Styrax benzoin resin extract, commonly called benzoin, is the balsamic resin obtained from incising the bark of Styrax trees such as Styrax benzoin. It contains aromatic benzoic and cinnamic acid derivatives that give it a warm, sweet odor and traditional soothing use. In cosmetics it serves as a conditioning and aromatic ingredient.
Safety & warnings
Benzoin resin contains benzoic acid and cinnamate-type constituents and is a recognized potential contact sensitizer; balsamic resins of this kind can provoke reactions in fragrance-sensitive or balsam-allergic individuals. People with known balsam of Peru or fragrance allergy may wish to approach it with caution.
Origin & sourcing
Natural; a resin tapped from the bark of Styrax trees and processed into an extract.
History
Benzoin resin has a long history of use as an incense, perfumery fixative, and traditional balm long before its adoption in modern cosmetics.
Questions everyone asks
What is styrax benzoin resin extract?
It is benzoin, an aromatic balsamic resin tapped from Styrax trees and used for its conditioning and fragrant properties.
Can it cause sensitivity?
Yes, as a balsamic resin it can act as a contact allergen, particularly for people sensitive to fragrances or balsam of Peru.