Premium Korean skincare brand Laneige recently launched its Perfect Renew 3X line consisting of Emulsion, Skin Refiner, Retinol/Anti-Wrinkle Serum, Cream, and the star product: Signature Serum. HOW do you know when you need to step up your skin-care routine? When you’re past your early 20s. If you’ve been using water-based creams until now and you’re