Head over to Sephora where you can score Murad Hydro Dynamic Ultimate Moisture for only $37.50 (regularly $75)! Get FREE Shipping on $50+ orders. Hydro-Dynamic Ultimate Moisture is clinically proven to lock optimal moisture levels in the skin while delivering instant comfort. This gentle formula is safe for sensitive skin and is ideal for use with any Murad regimen as a step three moisturizer. Get yours here!