A richly concentrated, intensely hydrating, and dual-purpose oil blend serum that treats your skin as it prepares it for makeup. This silky, luxurious oil blend glides on to strengthen the skin’s natural moisture barrier, even out pores, and shield against environmental aggressors. The formula’s hydrating action helps to create a refined and retexturized surface for makeup. Skin appears dewier, younger, and more luminous. The 28 in the product’s name refers to the formula’s key ingredients, which include 14 essential oils, 10 lipid-rich plant oils, and four vitamins. . Hourglass products are 100 percent cruelty-free.