The ultimate serum activator formulated with ULTIMA II’s signature CollaSence™ PFE-RX Timeless Miracle Concentrate to prime the skin and enhance the performance of your skincare routine. Also infused with potent ingredients like Pseudoalteromonas Ferment Extract (PFE-RX) and Aquaderm® SP that supports lasting moisture retention while delivering an extra layer of hydration for a healthy-looking skin.