Tetrahydrourushiol glycoside, o‐mono‐glycosylated hydrourushiol, can be used for the investigation of contact allergy as a water‐soluble urushiol

7. Foti C, Vena G A, Angelini G. Occupational contact allergy to benzydamine hydrochloride. Contact Dermatitis 1992: 27: 328-329. 8. Goday Bujan J J, Ilardia Lorentzen R, Soloeta Arechavala R. Allergic contact dermatitis from benzydamine with probable cross-reaction to indomethacin. Contact Dermatitis 1993: 28: 111-112. 9. Lovell CR. Plants and the skin. London: Blackwell Scientific, 1993: 197-198. Contact Dermatitis 1994: 31: 59