Experience the elegance of The History of Whoo In Yang Essential Nourishing Emulsion. The History of Whoo’s range of skincare products utilizes secret formulas (“Bidan”) once exclusive to the Korean royal court, combined with the cutting-edge, modern technology of today’s skincare. This ultra-moisturizing nutritive emulsion provides rich nutrients to skin for long-lasting moisture. The In Yang Essential Nourishing Emulsion uses ancient Korean hanbang ingredients to help maintain the skin’s moisture balance while a modern formulation helps it deeply penetrate and last through the entire day.