uJungGuPo technique, 9 times of steaming and drying under the sun),, among other nourishing ingredients. After applying the oil-free, gel-like mask, gently massage your face using the provided Jujube Tree Wood Gua Sha tool to enhance the absorption of active ingredients and stimulate the acupoints, improving blood circulation and detoxification, just like the royal empresses of thousands of years ago. After excess product is gently wiped off, the mask can be left on overnight to give you a more defined facial contour in the morning.