Made from rice, this light and mild tasting vinegar is and essential ingredient in sushi rice and sunomono (vinegar salads). With lower acidity than western vinegar, it has long been associated with youthful-looking skin and longevity. Vinegar increases the potency of vitamin C, which improves the complexion. In the past 'su' was used in cosmetics in Japan. Vinegar is also known for its anti-bacterial properties and this is one reason why it is often used in Japanese dishes that include raw fish, seafood and meat.