Sea buckthorn oil is extracted from the berries, leaves, and seeds of the sea buckthorn plant. Sea buckthorn oil has anti-inflammatory properties. This is helpful for inflammatory skin conditions like eczema, rosacea, and even acne. This oil is rich in antioxidants that protect from free radicals that cause skin damage and cancer. It is also used to treat asthma, heart disorders including chest pain (angina) and high cholesterol.