Led by the sharpness of his homonymous mathematical formula, the rule of 72 combines the tenuous elegance of saffron and geranium with the vigorous natural Taius Oud and the creamy guaiac wood. The notes of leather, together with vetives and patchouli, whisper trust rather than screaming it, for a perfume as resolute as it is ambitious. Line: wild line ** head notes **: cypress, saffron, cardamom, geranium ** Heart notes: ** OUD, Ylang-Ylang, cedar wood, Guaiac wood ** background notes **: vetiver, patchouli, leather