<p><strong>Why you’ll love it:</strong> Sulwhasoo’s original First Care Activating Serum is so popular that one sells every 10 seconds. Now, the K-beauty brand has updated its beloved prep step by adding antioxidant ginseng for a pampering serum that’s chock-full of hydrating,<br data-mce-fragment="1">brightening ingredients.<br data-mce-fragment="1"><strong></strong></p> <p><strong>How you’ll use it:</strong> Apply the serum on clean, dry skin (morning and/or night) and layer your usual products on top.</p>