"When prepping the base of your lips with a lip primer, it fills in fine lines, creating a smooth canvas for lipstick." That’s why products like The Outset’s Lip Oasis Treatment are key to keeping lips smooth and plump. This treatment does more than just moisturize—it works on your lips to gradually increase cellular turnover and soften fine line Skin Renewing Day Cream It goes on thick and a little sticky, reveals our tester, but feels lightweight and velvety on the skin. But those collage...