Citronellol

What it is

Fragrance-derived 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.

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