The skinification of makeup is still going strong, analysts say, and serum-based makeup is leading the charge. Per New York City trend tracker Spate‘s Popularity Index, two of the moment’s top products are serum concealers and serum foundations. Both fall within complexion makeup, though the serum format is expanding across categories, with hybrid bronzers, blushes and even mascaras beginning to emerge, analysts said. Serum Concealer Bare With Me Concealer Serum, NYX Professional....