On my recent trip to Greece where it’s very dry and very hot, I was really grateful to have brought Kiehl’s Ultra Facial Oil-Free Gel Cream with me. It proved to be great in terms of texture, and effectiveness in keeping my skin hydrated. Today I’m reviewing another of Kiehl’s product that has been exposed to real environmental elements to prove their all-day endurance. So good that 4 of these are being sold every minute globally. For the ULTIMATE 24-hour Hydrator,…