K-BeautySum

Ingredients · Brightening

Glutathione글루타티온

글루타티온geul-lu-ta-ti-on
On a Korean label: 글루타티온 = Glutathione.

What it is

A tripeptide (three amino acids) that the body uses as an antioxidant. Korean “glow” and brightening serums often advertise it. The Korean dictionary lists it as a reducing agent and flavouring.

On a Korean label

Written 글루타티온 (old spelling 글루타치온, still common on the front of packs).

Korean rules

The Korean ingredient dictionary lists no limit, label caution or functional-ingredient status for it.

Questions

글루타치온 or 글루타티온?

Both mean glutathione. 글루타티온 is the current ingredient name; 글루타치온 is the old spelling.

Sources

  1. Korea Cosmetic Association — ingredient dictionary (대한화장품협회 성분사전)

Checked 26 October 2026. Rules change — the official texts above are the final word.