Gelato Full Spectrum Amber Oil Cartridge by Peak. Our Full Spectrum Amber Oil is extracted using CO2 and carefully refined in a way that maintains the original terpene profile of the flower, leaving us with a gorgeous, delicious oil that is unique on the market in its quality. Our extracts are always small batch and strain specific, made from only the highest quality material. All our products are rigorously tested and have been for over 4 years.