What Is an Ampoule in Korean Skincare? Ampoule vs Serum vs Essence, and Where It Goes in Your Routine
NARINFLA Journal · Korean Skincare Basics · Published 2026-10-02 · Sources checked 2026-10-01 · 日本語 Short answer An ampoule in Korean skincare is a small, usually dropper-bottle product that a brand presents as its most concentrated step. It is a marketing name, not a legal category: Korea’s official list of cosmetic types names “essence” but not “ampoule” or “serum”. Use it after cleansing and before cream, thinner textures first. Texture, not the word on the bottle, decides where a product goes: thinnest first, richest last. Line up an ampoule, a serum and an essence from three Korean brands and the “essence” may well be the thickest of the three. Nothing is wrong with your shelf. In Korea, none of these three words comes with a legal definition of texture or strength, so each brand uses them its own way. That is why the usual rule, “essence, then serum, then ampoule”, falls apart the moment you mix brands. Here is what the words really mean, what the law says, and a way...