Emollient
DIETHYLHEXYL 2,6-NAPHTHALATE
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A naphthalenedicarboxylate diester (NOT an ortho-phthalate) used as a glossy, light emollient. Generally safe; less data than ortho-phthalate ester family.
Diethylhexyl 2,6-naphthalate is the di(2-ethylhexyl) ester of naphthalene-2,6-dicarboxylic acid. Importantly, it is structurally distinct from the endocrine-disrupting ortho-phthalates (DEHP, DBP, etc.) — the carboxylate groups sit on a naphthalene ring at the 2,6 positions, which does not yield the planar phthalate metabolites of toxicological concern. It is used in cosmetics as a high-refractive-index emollient and UV-filter solubilizer in sunscreens, color cosmetics, and lip products. CIR has reviewed alkyl esters of polycyclic aromatic acids in the cosmetic-use class as safe, with no CMR or endocrine flags identified.
Function
Skin benefits
- Imparts gloss and shine
- Solubilizes UV filters
- Lightweight, dry skin feel
Known concerns
- Limited independent toxicology
- Aromatic core gives modest environmental persistence
- Naming confusion with ortho-phthalates
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related emollients
Check your shelf
Find DIETHYLHEXYL 2,6-NAPHTHALATE in your products.
Scan any cosmetic product with LuxSense to see if it contains DIETHYLHEXYL 2,6-NAPHTHALATE and get a full ingredient breakdown with safety scores.
This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.