Oakmoss absolute / Eichenmoos

FormulaMI NumberCAS NumberC.I.Number

MI: Merck Index Number
CAS: Chemical Abstract Service Registry Number
C.I.: Chemical Index Number


Oak moss absolute is a fragrance derived from a tree lichen, Evernia prunastri (oak moss) and Pseudevernia furfuracea (tree moss). It contains atranorin, evernic acid and usnic acid, and fumarprotocetaric acid. "Consort contact dermatitis" has been reported in a woman due to exposure to her husband's after shave lotion which commonly contains oak moss ak moss absolute.

Beschreibung (ger)

Eichenmoos, welches von „Evernia Prunostri„ (Eichenmoos) und „Pseudevernia Furfuracia„ (Baummoos) extrahiert wird, wird in Parfüms verwendet als männlich herbe Duftkomponente.


Oakmoss absolute
Oakmoss concrete


After-shave lotions


Unusual Reactions



1. Calnan, C.D., Perfume dermatitis from the cosmetic ingredients oakmoss and hydroxycitronellal. Contact Dermatitis, 1979. 5(3): p. 194.
2. Dahlquist, I. and S. Fregert, Contact allergy to atranorin in lichens and perfumes. Contact Dermatitis, 1980. 6(2): p. 111-9.
3. Dahlquist, I. and S. Fregert, Atranorin and oak moss contact allergy. Contact Dermatitis, 1981. 7(3): p. 168-9.
4. Thune, P., et al., Perfume allergy due to oak moss and other lichens. Contact Dermatitis, 1982. 8(6): p. 396-400.
5. Fernandez de Corres, L., et al., Photocontact dermatitis from oak moss. Contact Dermatitis, 1983. 9(6): p. 528-9.
6. Fregert, S. and I. Dahlquist, Patch testing with oak moss extract. Contact Dermatitis, 1983. 9(3): p. 227.
7. Thune, P. and T. Eeg-Larsen, Contact and photocontact allergy in persistent light reactivity. Contact Dermatitis, 1984. 11(2): p. 98-107.
8. de Groot, A.C., et al., Patch tests with fragrance materials and preservatives. Contact Dermatitis, 1985. 12(2): p. 87-92.
9. Fernandez de Corres, L., Photosensitivity to oak moss [letter]. Contact Dermatitis, 1986. 15(2): p. 118.
10. Goncalo, S., F. Cabral, and M. Goncalo, Contact sensitivity to oak moss. Contact Dermatitis, 1988. 19(5): p. 355-7.
11. Guin, J.D. and D.B. Jackson, Oakmoss photosensitivity in a ragweed-allergic patient. Contact Dermatitis, 1988. 18(4): p. 240-2.
12. Held, J.L., A.M. Ruszkowski, and V.A. Deleo, Consort contact dermatitis due to oak moss. Archives of Dermatology, 1988. 124(2): p. 261-2.
13. Roesyanto-Mahadi, I.D., et al., Sensitization to fragrance materials in Indonesian cosmetics. Contact Dermatitis, 1990. 22(4): p. 212-7.
14. Romaguera, C., J. Vilaplana, and F. Grimalt, Contact dermatitis from oak moss. Contact Dermatitis, 1991. 24(3): p. 224-5.
15. de Groot, A.C., et al., Frequency of false-negative reactions to the fragrance mix. Contact Dermatitis, 1993. 28(3): p. 139-40.
16. Johansen, J.D. and T. Menne, The fragrance mix and its constituents: a 14-year material. Contact Dermatitis, 1995. 32(1): p. 18-23.

This information originates from 

Trey Truett, MD