With a press release, the Natural Perfumers Guild (NPG) has defined what is considered a natural isolate by its standards, to which all perfumers endorsed by the guild will have to abide.
In the same go, NPG has defined what Guild perfumers should NOT consider “really natural” although they are “legally natural” according to international standards.
In brief, natural isolates are those single molecules extracted from essential oils and natural raw materials existing in Nature, while single molecules extracted from Bio-Tech made material are NOT natural. continue...
Natural perfumers Woldwide