Tůmová L, Pasavová D
Katedra farmakognozie Farmaceutické fakulty University Karlovy, Hradec Králové.
Ceska Slov Farm. 2000 Nov;49(6):285-7.
The present paper describes several individual cases of contact dermatitis in patients using propolis as a component of various cosmetic products, listing the most frequently sensitizing constituents of propolis. It also reports the existence of a cross-reaction between the components of Peruvian balsam and propolis constituents.