How It Works As part of the TimeWise Repair family, Volu-Fill Deep Wrinkle Filler is a more advanced formula that contains encapsulated retinol and encapsulated hyaluronic acid. These ingredients are recognized by skin care experts and talked about in beauty magazines because of the impressive and impactful results they deliver. This formula also contains flexible elastomers, which are special, microscopic fibers that provide visible filling benefits in addition to providing a foundation for the encapsulated hyaluronic acid.