the formulation includes 30% glycerin, which immediately increases 💦 content in the skin. it also has polygluramic acid, which we are going to hear more about this year (trust 😌). that helps locks in 💦 at the surface. the combination of the 2 gives immediate plump, soft & glowing appearance 🧖🏼‍♀️ skincare serums, hydrating serum, skincare review LTKselfcare LTKBeauty