I+M Hydro Perform Hyaluron Serum, 25 ml This serum reliably protects the skin from drying out and leaves the complexion radiantly fresh. At the same time, the face is smoothed and tightened. High-quality organic oils and hyaluronic acids provide additional antioxidants and also offer protection against screen light. Application: Simply massage into cleansed skin with pleasure before applying the face cream or as a stand-alone care product. Tips: Also perfect for mixing with face oil or cream.