Greenwill soapberries are harvested from wild soapberryl forest in southern China. Greenwill is the only brand soapberry owns CNAS organic approval per Chinese organic standard. Greenwill soapberry is completely natural, where no pesticides, insecticides, chemical additive, or any artificial mediums have ever been used.
CNAS is the national accreditation body of China, and a part of international accreditation multilateral recognition system. CNAS is the accreditation body member of International Accreditation Forum (IAF) and International Laboratory Accreditation Cooperation (ILAC). Those accreditations assure customers of CNAS's competence and impartiality.