The ingredient, explained
Dicaprylyl Ether
A published expert safety assessment covers the exact ingredient in the specified exposure context.
Ingredient guide
What it is and what it does
Dioctyl ether
About this ingredient: EU CosIng ingredient registry (via Open Beauty Facts taxonomy) ↗
- Emollient
- Helps soften and smooth the skin surface.
- Skin conditioning
- A broad cosmetic role for maintaining skin condition. It does not identify a particular clinical benefit.
- Solvent
- Dissolves other ingredients in a formula.
Function definitions: European Commission ingredient function definitions (SCCNFP/0299/00, pages 16 to 20) ↗
Registry functions describe possible formulation roles, not results for a finished product. A dictionary entry is not an approval or a safety assessment.
A closer look
What the research shows
Safety assessment
Panel judged listed fatty ethers safe in the cosmetic uses and concentrations assessed.
What this does not tell us
Grouped safety assessment and read-across, not isolated dicaprylyl ether hydration trial. Use bounds apply.
Sources for this summary. PubMed 41693072 ↗
Research review checked Oct 1, 2026
Bounded review of local candidates, exact-name indexed primary journal/PubMed safety and topical searches; not a systematic review.
Ingredient research is not proof that a product containing this ingredient works.
Read the 1 selected study
Safety assessment
Safety Assessment of Fatty Ethers as Used in Cosmetics. ↗
International journal of toxicology · 2026
Follow the formula
Products containing this ingredient
From the wider catalogue. Linked by the ingredient list, without an efficacy ranking.
Names and identifiers
Registry identity
Dioctyl ether
- INCI name on ingredient lists
- DICAPRYLYL ETHER
- CAS registry number
- 629-82-3
- EC number
- 211-112-6
Sources for this ingredient record
- EU CosIng ingredient registry (via Open Beauty Facts taxonomy) ↗ · ODbL 1.0 (Open Beauty Facts database) · Recorded Aug 8, 2026