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Extracting sea buckthorn oil is a difficult and delicate process, as it affects the potency and quality of the oil. Solvent extraction, cold-pressing, hot-pressing, and maceration in other carrier oils are some common ways sea buckthorn oil is extracted, but these methods have their own disadvantages.
For example, cold-pressing may be ideal, but the extraction rate is quite low. Meanwhile, hot-pressing and solvent extraction may contaminate the oil with hazardous solvents and use high heat that destroy the oil's valuable nutrients.
One method that can extract sea buckthorn oil efficiently is supercritical CO2 extraction, which uses liquidized carbon dioxide to pull the oils out while retaining nearly all the beneficial components in the berry. Many health experts now recommend supercritical CO2-extracted sea buckthorn oil, as it preserves the oils' impressive nutrient profile.
