CI 19140
Korean INCI: 황색4호 · Also written as: 옐로우5, 황색4호
Irritant / cautionMay irritate
What it is
Colorant — may irritate / potential allergen
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
Green 3 · Base
Orange 205 · Base
Beta-Carotene · Base
CI 77491 · Base
CI 77891 · Base
Ultramarines · Base
※ For reference only, based on public ingredient data — not medical advice.