Alcohol
Korean INCI: 알코올 · Also written as: 에탄올, 변성알코올, 알콜
Irritant / cautionMay irritate
What it is
Denatured alcohol — can dry/irritate
How it affects the score
Flagged separately in results for potential irritation or allergy.
How to read it on the label
If you have a sensitive scalp, avoid products where this sits high on the list.
Ingredients are listed by descending concentration. Anything after the ~1% anchors (EDTA, hexanediol, preservatives) is effectively trace.
Check your own shampoo
Paste your full ingredient list to see this ingredient's position and the overall score.
Related ingredients
Dipropylene Glycol · Base
Lauryl Pyrrolidone · Base
Bambusa Vulgaris Water · Base
Benzyl Glycol · Base
Butylene Glycol · Base
Glacial Water · Base
※ For reference only, based on public ingredient data — not medical advice.