SK-II Facial Treatment Essence, 75ml, SK-II's nourishing Facial Treatment Essence is lauded as "Miracle Water" in the company's native Japan. The secret is SK-II PiteraTM - a yeast-based ingredient developed after researchers observed the soft and youthful hands of sake brewers. This refreshing formula helps to maintain healthy cellular rejuvenation and works to balance your skin's pH and sebum secretion - the results are a clearer, more radiant complexion Gender: Female. Age Group: Adult.