Diffusion Blend Peace. Mandarin, Patchouli and Blue Tansy. Essential Oil Blend. USDA Organic. Inspired by the citrus groves of the warm and sunny Mediterranean basin, Peace is a sweet citrus, floral aroma with woody undertones. Unwind with this sweet, peaceful blend featuring notes of zest Mandarin, balanced with wood patchouli and sweet floral Ylang Ylang and Blue Tansy. Artisan aroma developed, blend and bottled in the USA.