The yeast extract or is prominently known as; Pitera contains a hefty amount of vitamins, amino acids, minerals and organic acids. This main ingredient of SK II Facial Treatment Essence promises women a more translucent, soft and supple skin. SK-II Facial Treatment Essence's irreplaceable formula helps in moderating your skin's surface renewal cycle. With regular usage, the Facial Treatment Essence makes spots less visible and wrinkles less obvious. Moreover, you will notice your skin texture becomes firmer, radiant, and more refined as early as 14 days!