DefinitionThis section has been translated automatically.
Guanine, the guanine or fish silver, is a substance used in cosmetic formulations. Guanine clouds the transparency and translucency of cosmetic products. The substance is also used as a cosmetic dye.
Note(s)This section has been translated automatically.
All cosmetic colorants are regulated in the EC Cosmetics Regulation(1223/2009) Annex IV.