The holiday season has us thinking about our favorite products that we’ve seen over the years. Remember 2015 when the color-addicted cosmetics brand MAC came up with another perfect antidote to the gloomy and somber atmosphere in winter? It launched the MAC Retro Matte Liquid Lipcolour collection for winter 2015 with a completely fresh formula, something standing between a matte lipstick and a melting lip gloss. Read our memory of 2015 below for more!