NIB. Never used. Put dull skin in your rearview with our clinic-grade KateCeuticals™ Firming Serum. You’ll see smoother texture and improved skin firmness within 2 weeks. The Tri-Peptide + Hyaluronic Acid Complex softens the appearance of fine lines and visibly minimizes even the deepest wrinkles. Botanicals like Nasturtium Flower + Mukul Myrrh Extract work to plump and smooth the skin’s appearance while strengthening the skin barrier. 10ML.