An Ode to the Original Korean Skin Care Holy Grail If you heard a stat stating that over 500,000 customers had purchased and repurchased the same serum more than 10 times, wouldn’t you be at least a little intrigued to find out everything about it? Meet the Sulwhasoo First Care Activating Serum, a storied formula that firms, hydrates, and imparts a luminous glow on all skin types—and gets better and better with every upgrade the...