A hydrated, plumped pout isn't as much a trend as a year-round necessity. The key? Keeping your lips moisturized with Hyaluronic Acid that will give them a smooth appearance no matter the season. To show you exactly what you need to do, we tapped in-house lip guru Long Ip, an assistant on our International team. Watch here, as she shares her tricks and two favorite products for taking care of her lips from day to night.