This lightweight, quick-absorbing essence promotes hydration and helps to protect the skin's barrier while targeting blemishes, dark spots, and uneven texture, even while you're on the go. This lightweight, quick-absorbing essence promotes hydration and helps to protect the skin's barrier while targeting blemishes, dark spots, and uneven texture, even while you're on the go. COSRX believes that cosmetics should give more than just outward beauty. They are devoted to enabling individuals to find solutions according to their personal skin conditions, striving to help customers to gain self-confidence, and ultimately to find their own unique beauty inside.