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DIETHYLHEXYL 2,6-NAPHTHALATE.

Valuable / SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, SOLVENT, UV ABSORBER

DIETHYLHEXYL 2,6-NAPHTHALATE is a multifunctional oil-soluble emollient and photostabilizer, significantly enhancing sun protection. It also improves skin hydration, barrier function, and elasticity for a healthier complexion.

emollient solvent photostabilizer skin conditioning uv absorber

Science

It photostabilizes Avobenzone via triplet-triplet energy transfer and acts as an excellent solvent for other oil-soluble UV filters, boosting their efficacy. Beyond UV protection, it strengthens the skin's barrier, reduces TEWL, and promotes cell regeneration.


Research

Medium confidence
Effective range 2–5%
Optimal

5%

Key findings

  1. 01 Clinical data indicates that at 2-5% concentration, it dramatically improves the performance and photostability of Avobenzone, leading to enhanced SPF in suncare formulations.

Transparency

Not commonly dusted

The Formula

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

DIETHYLHEXYL 2,6-NAPHTHALATE is stable across a wide range of cosmetic formulations and pH levels when stored under recommended conditions.

Synergies

  • Butyl Methoxydibenzoylmethane (Avobenzone)
  • Oil-soluble UV-filters

Conflicts

  • strong acids
  • bases
  • oxidizing agents
  • extreme heat
  • ignition sources

Safety

CIR Status
Not reviewed
Max tested
5%
Sensitization risk Low

Generally safe for cosmetic use, it is listed as 'Teen SAFE' and 'Baby SAFE' by SkinSAFE, indicating broad applicability for sensitive individuals. While rare, a patch test is recommended before widespread use; it is distinct from DEHP.


Your Skin

No Normal
Yes Dry
No Oily
Yes Sensitive
Irritancy Low
Comedogenicity Unknown

Our Assessment

Valuable

This ingredient is valuable for enhancing SPF through UV filter photostabilization and boosting overall skin health via barrier support and hydration, with a favorable safety profile.


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