Seabuckthorn or 'Khan Berry' 

Sea-Buckthorn or 'Khan Berry' is a deciduous shrub which grows in Mongolia, Russia and The Netherlands.

Sea buckthorn leaves and flowers have been used traditionally for treating arthritis, gastrointestinal ulcers, gout, and skin rashes caused by infectious diseases such as measles. Khan Berry has also been used traditionally as a remedy for horses to support weight and enhance the shine on their coat. The fruit is used in many different foods and drinks - providing rich sources of vitamin C and carotenoids.
A tea containing sea buckthorn leaves is used as a source of vitamins, antioxidants, protein building blocks (amino acids), fatty acids and minerals; for improving blood pressure and lowering cholesterol; preventing and controlling blood vessel diseases; and boosting immunity.

Sea buckthorn berries are used for preventing infections, improving sight, and slowing the aging process.

In manufacturing, sea buckthorn is used in cosmetics and anti-aging products. Sea buckthorn contains vitamins A, B1, B2, B6, C, and other active ingredients.