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  • Our skin by nature works at night to restore and repair itself. By using COS Premature Aging Night serum, you maximise this window of restoration and allow your pores to soak in the natural tonic of Hyaluronic acid, Bulgarian Rose Water and European Cucumber with the intense boost of pure Vitamin E. The ultimate warrior against the signs of premature aging.

    While you sleep, our best night serum helps ignite skin’s natural nightly repair process. Fast. A high level of Hyaluronic Acid helps lock in moisture for 72 hours. This helps create the perfect environment to optimize skin’s natural repair process.