Fragrance avoidance
Not a strong fit for fragrance avoidance because it carries Fragrance.
The ingredient itself is a fragrance-linked signal, so it is better treated as an avoid case when fragrance exposure is the main concern.
1-(5,6,7,8-Tetrahydro-3,5,5,6,8,8,-hexamethyl-2-naphthyl)ethan-1-one (AHTN) is restricted in cosmetic products under Annex III of the EU Cosmetics Regulation (EC) 1223/2009.
RestrictedEU EC — restricted
Concern score
This score describes the ingredient's chemical identity — its hazard profile from the published classifications and regulatory status below — not the safety of any product it appears in. Ingredients we have no hazard signal for are labelled “Not assessed” rather than scored.
Concern score 70/100 (high) · high confidence.
Regional restrictions
Prevalence of 1-(5,6,7,8-Tetrahydro-3,5,5,6,8,8-hexamethyl-2-naphthalenyl)ethanone in our catalog (epa_cpdat).
Products
15
Brands
6
Typical roles
Context-specific fit derived from published classifications and the current ingredient evidence profile.
Fragrance avoidance
Not a strong fit for fragrance avoidance because it carries Fragrance.
The ingredient itself is a fragrance-linked signal, so it is better treated as an avoid case when fragrance exposure is the main concern.
No graded sources yet for 1-(5,6,7,8-Tetrahydro-3,5,5,6,8,8-hexamethyl-2-naphthalenyl)ethanone. We publish evidence only once a source is linked and reviewed — this ingredient is in the catalog, but has not been assessed.
Restrictions first, then routine listings from published regulatory sources.
EUEC
Annex III of EU Cosmetics Regulation (EC) 1223/2009: substances which cosmetic products must not contain except subject to the restrictions laid down. Product types: All cosmetic products with the exception of oral products Maximum concentration: (a) leave-on products: 0.1% except:hydroalcoholic products: 1% fine fragrance: 2.5%fragrance cream: 0.5% (b) rinse-off products: 0.2%