Beauty Of Joseon Light On Serum Centella + Vita C uses 10% effective vitamin C and 68% Centella Asiatica extract to effectively brighten the skin while having a calming effect. The innovative formula is like nothing you’ve seen before from a vitamin C serum. The serum is non-sticky, non-greasy and won’t dry the skin. The high levels of organic centella asiatica ensure the skin is left moisturized and soothed.