Low-temperature supercritical carbon dioxide.
As the name suggests, seabuckthorn fruit oil is extracted from seabuckthorn pulp, and seabuckthorn seed oil is extracted from seabuckthorn seeds. The most advanced extraction technology for seabuckthorn seed oil in China is low-temperature supercritical carbon dioxide extraction technology. It can better preserve the active substances of seed oil and reduce the loss of nutrients. The seed oil extracted by this technology has the characteristics of high purity, no chemical residues, and high safety. When purchasing sea buckthorn seed oil, you can go to a specialized store. Keep an eye on this technique to see if it works.