SK-II Facial Treatment Essence is the moisture booster that restores skin's natural 28-day renewal cycle, making skin smoother and more radiant. With more than 90% pure Pitera, it is often described as SK-II's "miracle water". Balances skin's pH, sebum secretion, moisture and oxygen levels, so the oily areas (usually T-zone) is less oily, while the dry areas are more moisturized. Soothes and refreshes skin from sunburn and burning