Arkopharma Arko Essentiel Petit Grain Bigarade Essential Oil 10ml is a 100% pure and natural essential oil.Essential oils, aromatic volatile substances from vegetable origin are obtained by distillation of the extracted part of the richer plant or by cold press in the case of citrus fruits. For millennia they are used for their fragrance and their properties.The essential oil of Petit Grain Bigarade has relaxing, anti-stress, anti-depression properties. It is ideal to use during the winter.