Artemisia Calming Treatment Essence by Missha is a single-ingredient product formulated with double fermented Artemisia Annua Extract from Ganghwa Island, an island in the West Sea off Korea’s west coast. This lightweight concentrated essence primes skin with soothing moisture while actively calming redness and healing stressed skin. Harvested in September, when it has the maximum amount of active properties, Missha’s Artemisia extract is fermented 100 days, first in warm temperature, then twice at a cool temperature. This highly pressurized extraction process creates the purest and most active Artemisia concentration possible. Artemisia Treatment Essence is clinically proven to moisturize, hydrate, soothe, and balance the skin. Recommended for: sensitive/ irritated/ acne-prone skin Size: 150 ml / 5.07 fl. oz.