Rooibos Tea refers to the tea made from the leaves and stems of the plant Aspalathus linearis, believed to occur naturally only in South Africa. Because of its high flavonoid content, rooibos is a powerful anti-aging ingredient for skin care formulas. Since much of skin aging is caused by environmental stressors, rooibos' abilities help to protect skin and maintain a more youthful look. Rooibos is also known to be helpful for sensitive skin. Rooibos is a source of vitamin D and zinc, and has been shown to be protective. Finally, rooibos, because of its soothing properties, is known to not cause reactions on the skin.