What is hyaluronic acid and how do you use it?
โก Quick answer: Hyaluronic acid is a humectant that draws water into the skin for a plumper, hydrated look. In Korean routines it's best applied to damp skin and sealed with a moisturizer on top, so the moisture it attracts stays locked in rather than evaporating.
Hyaluronic acid is a humectant that draws water into the skin for a plumper, hydrated look. In Korean routines it's best applied to damp skin and sealed with a moisturizer on top, so the moisture it attracts stays locked in rather than evaporating.
More detail
It layers well under creams and is a core part of the hydration-focused 7-skin and glass-skin approaches.
๐ฐ๐ท Hyaluronic acid is central to the deep-hydration ethos behind Korean dewy, glass-skin looks.
Related K-beauty guides
Try the free tools
Explore the full K-beauty hub โโ๏ธ Written & reviewed by the KoreaPlus Editorial team โ dermatologist-informed, cosmetic-science researched & source-cited. Last reviewed 2026-06-21.
General educational information using cosmetic structure-function wording โ not medical advice. Always patch-test new actives. ยฉ KoreaPlus.