Ingredient
Hydroxyisohexyl 3-Cyclohexene Carboxaldehyde
HICC / Lyral
A fragrance ingredient prohibited in cosmetic products in the EU since 2021. It may still appear on products sold outside the EU.
- Fragrance or scent ingredient
What it is there to do
Fragrance
Gives the product its scent, or masks a base odour.
Where this comes up
The notes BeautySignal puts beside this ingredient when it is on a label.
- Contains fragrance
This product contains fragrance. Fragrance is one of the more common causes of contact irritation, which is why many people prefer to avoid it.
Why we mention it
Fragrance is the most frequently cited preference in cosmetics, and "parfum" on a label can cover many undisclosed components.
- Subject to a regulatory restriction
One or more ingredients in this product are restricted in at least one market. The restriction is usually a concentration limit or a limit on the type of product.
Why we mention it
Points at a named instrument rather than implying a general hazard. The specific provision is shown with the ingredient.
What the rules say
Each line names the rule it comes from. A limit is not a warning.
EU · Prohibited
Regulation (EC) No 1223/2009, Annex II
What it sets out
Prohibited in cosmetic products placed on the EU market from August 2021.
What we don't know
- Where it comes from — plant, mineral, synthetic — isn't recorded.
- How much of it is used in any particular product. We hold no concentrations at all.
Also written as
- HICC
- Lyral
This is information about an ingredient, not medical advice, and not a judgement about any product that contains it. Back to the reference.