Product Details Inspired by the visionary cellular science of Clinique La Prairie, La Prairies Platinum Rare Haute-Rejuvenation Mask is a skincare milestone. With each application, the two-step overnight mask recharges, reactivates and rejuvenates the skin.; The initial potent serum step, delivered in 12 individual vials (0.7ml per vial), recharges the skin with breakthrough Macro-Infusion Technology which allows hyaluronic acid and collagen to permeate the skin barrier, delivering needle-free rejuvenation and improved skin texture, plumpness, and bounce.; The second step, a rich sealing cream housed in a refillable vessel (20ml), is infused with a potent Platinum Multi-Peptide to rejuvenate and an age-defying Exclusive Cellular ComplexTM, to restore youthful skin. Suitable for all skin types, La Prairie recommends using the mask one to three times per week as part of your night-time skincare routine. How To Use Step 1: Activate one serum vial to dispense the concentrate into the palm