Korres Smart Yoghurt Probiotic Superdose Face Mask 100ml Full Size New New unsealed jar. The packaging is imperfect due to handling. Korres Smart Yoghurt Probiotic SuperDose Face Mask, full size 100mL/3.38 fl oz. Formulated with Greek yoghurt and probiotics for sensitive skin — nourishes, balances, and soothes.