Dicaprylyl Ether

Also known as: Caprylic/Capric Ether, Di-n-octyl Ether, Fatty Ether

Evidence under review. — Not yet rated

A cosmetic skin-conditioning agent with no clinical evidence supporting use as a supplement.

What it does

Dicaprylyl Ether is a synthetic fatty ether derived from caprylic acid (a medium-chain fatty acid found in coconut oil). It is primarily used in cosmetics and personal care products as a...
Evidence quality

Evidence base hasn't been formally rated yet. See research below.
Clinical dose

No established dose

What the Science Says

Dicaprylyl Ether is a synthetic fatty ether derived from caprylic acid (a medium-chain fatty acid found in coconut oil). It is primarily used in cosmetics and personal care products as a skin-conditioning agent and emollient, helping to soften and smooth skin texture. The only available safety review confirms it is safe for cosmetic use at current concentrations — but there is no published clinical evidence supporting its use as an oral supplement.

What It Doesn't Do

Not proven to provide any internal health benefit when taken as a supplement. No evidence it supports weight loss, boosts energy, or improves metabolism. Don't confuse it with medium-chain triglycerides (MCTs) — it is structurally different and lacks MCT research. No clinical trials support any supplement claim.

Absorption & Bioavailability

Unknown — no human absorption or pharmacokinetic data available for oral or supplemental use.

Red Flags to Watch For

This ingredient has zero clinical trials supporting its use as a dietary supplement — any health claims are unsupported.
It is primarily a cosmetic ingredient; its presence in supplement products is unusual and warrants scrutiny.
No established safe or effective dose exists for internal supplemental use.
Consumers may confuse it with MCT oil or caprylic acid, which have separate (and limited) research bases of their own.

Frequently Asked Questions

What does Dicaprylyl Ether do?

A cosmetic skin-conditioning agent with no clinical evidence supporting use as a supplement.

What is the effective dose of Dicaprylyl Ether?

No established dose

Is Dicaprylyl Ether safe?

This ingredient has zero clinical trials supporting its use as a dietary supplement — any health claims are unsupported.

What doesn't Dicaprylyl Ether do?

Not proven to provide any internal health benefit when taken as a supplement.

Research Sources

PMID 41693072 — International Journal of Toxicology (2026)
NIH DSLD product registry (15 registered products)
General knowledge — Limited published research available

This information is for educational purposes only and is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Last updated: 2026-05-25