Shop Wholesale Cosnori Panthenol Barrier Toner. The Cosnori Panthenol Barrier Toner is a vegan-certified Korean skincare treatment designed to strengthen compromised skin barriers and provide deep, non-sticky hydration. Formulated with a high concentration of D-Panthenol (Vitamin B5), it is specifically targeted at users with sensitive skin or those experiencing redness and irritation. 

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