Ceramide Barrier Nourishing Daily Serum cocokind's Ceramide Barrier Nourishing Daily Serum is the holy grail serum for hydration and skin barrier support. Optimized with five types of ceramides and lipids, this serum reduces transepidermal water loss and signs of irritation, leaving skin noticeably hydrated, supple, and more comfortable. Brand new, never opened. .33 fl oz / 10 ml I have other cocokind and skincare products listed. Take advantage of the 3+ item bundle to save 15%! Offers also welcome.