NAOS Global on Instagram: "Meet the ingredient your skin needs to reinforce its barrier function.​ Phytosphingosine is a sphingolipid naturally present in the skin and a key component of ceramides. ​It promotes the natural production of epidermal lipids involved in hydration, strengthens the skin barrier to prevent the penetration of pathogens, and helps reduce inflammation. ​ At NAOS, it is specifically used to restore and maintain the integrity of the skin barrier.​ NAOS is the founding compan