IT Cosmetics is taking its skincare game to a whole new level with the launch of the new Bye Bye Serums collection. Years in the making, the line features four clinically-tested Concentrated Derma Serums — Bye Bye Dark Spots, Bye Bye Lines, Bye Bye Dullness and Bye Bye Pores — that address specific skin concerns when used alone, but turn into powerhouse, multi-functional serums when paired with one another. With the help of dermatologists’ expertise, each of the serums contain high percentages of active ingredients proven to drive visible results, yet are still suitable for all skin types (even the most sensitive skin). Ahead, we break down the benefits of each serum in the Bye Bye collection and explain how to pair them to achieve the skin of your dreams.  IT Cosmetics Bye Bye Dark Spots SerumIf you’re struggling with any form of discoloration including melasma and acne scars, try this serum that is formulated with 4% niacinamide to help visibly reduce dark spots and 1% ethyl vitamin C to improve skin clarity.