This effective optimal synergy serum includes the unique and optimal ratio, Propolis Extract 70%, Hippophae Rhamnoides Fruit Extract 17% and other natural botanical ingredients.It's calming and brightening function is great for sensitive & dry skin.Use:Using the dropper, gently apply an appropriateamount onto your face and let it absorb.50 ml iUNIK Propolis Vitamin Synergy Serum 50 ml