The hazelnut is a small tree that grows in woods and hedgerows, very common in European forests. Its fruit, the hazelnut, is a smooth, egg-shaped nut, held at the base in a green sheath with deeply cut-out edges. An edible oil is extracted from the hazelnut. Employed in cooking, it is also much used in soaps, masks and massage oils for its capacity to prevent dehydration. Components founds in its leaves after excellent cellular anti-free radical protection.