Ingredient review

Propylene Glycol Dicaprylate/Dicaprate

INCI: Propylene Glycol Dicaprylate/Dicaprate

A lightweight, non-greasy emollient that helps products spread smoothly and leaves skin feeling soft without clogging pores.

beautyskincareemollient

In plain English

Propylene Glycol Dicaprylate/Dicaprate is a synthetic oil-like ingredient made from propylene glycol and fatty acids from coconut oil. It is used in lotions, creams, and makeup to make them feel silky and spread easily on the skin. Unlike heavy oils, it does not leave a greasy residue, making it a popular choice for lightweight moisturizers and sunscreens. It also helps other ingredients dissolve and mix together evenly.

Review score

Safety, usefulness, and evidence

4.0Good

4.0/ 5

Potentially useful with some tradeoffs

The evidence base is useful, but some claims depend heavily on the formula.

Risk flags are low for most users, though the finished product can still irritate.

Source: synthetic
Evidence: moderate
Irritation: low
Clogging risk: low

How reviews are scored

Quick decision guide

Useful, but context matters

Propylene Glycol Dicaprylate/Dicaprate is generally a lower-concern ingredient when the full formula suits your skin.

Plain-English read

Treat this as a practical screening step before you compare products that contain this ingredient.

Step 1Start with the score, then check the irritation and clogging risk before judging Propylene Glycol Dicaprylate/Dicaprate.
Step 2Use the "Best for" and "Use caution if" sections to match the ingredient to your skin, not just to a marketing claim.
Step 3If a product stings, breaks you out, or worsens irritation, judge the finished formula and stop using it even if the ingredient scores well.

Score terms in plain English

Irritation risk

low

Less likely to sting, burn, or bother most users, though sensitive skin can still react.

Clogging risk

low

Less likely to feel heavy or contribute to clogged pores for most skin types.

Evidence level

moderate

There is useful support, but formula details and claim strength still matter.

What it is

A diester of propylene glycol and two medium-chain fatty acids (caprylic and capric acids), typically derived from coconut or palm kernel oil. It is a clear, odorless liquid with a light texture.

How it works

It sits on the skin's surface to reduce water loss (like a gentle barrier) and provides a smooth, silky slip that makes products easier to apply. It also helps dissolve other oil-soluble ingredients and stabilizes emulsions (mixtures of oil and water).

Pros

Lightweight feel

Unlike heavy oils, this emollient absorbs quickly and leaves no greasy residue, making it ideal for daytime moisturizers and sunscreens.

Low pore-clogging risk

Rated low on the comedogenic scale, so it is unlikely to cause breakouts even for acne-prone skin.

Cons and cautions

Synthetic origin

It is manufactured in a lab, which may be a drawback for those seeking exclusively natural or plant-derived ingredients.

Potential for mild irritation

Though rare, individuals with very sensitive skin or a known allergy to propylene glycol may experience slight redness or stinging.

Best for

People with oily or combination skin who want lightweight moisture
Anyone using sunscreens or makeup who prefers a non-greasy finish

Use caution if

Those with known sensitivity to propylene glycol derivatives (rare)
Strict 'no synthetics' skincare enthusiasts

Usage tips

Look for this ingredient in lightweight lotions, gel-creams, and sunscreens for a matte finish.

If you have very sensitive skin, patch-test a product containing this ingredient before full-face use.

Safety summary

Propylene Glycol Dicaprylate/Dicaprate is considered safe for use in cosmetics at typical concentrations. It has low irritation and sensitization potential, and is not known to be toxic or carcinogenic. The Cosmetic Ingredient Review (CIR) panel has reviewed similar esters and found them safe as used.

Research notes

Research on this specific ester is limited, but it is chemically similar to other well-studied emollient esters like Caprylic/Capric Triglyceride. Available data indicate low acute toxicity, no skin sensitization, and no reproductive or developmental toxicity at cosmetic use levels.

Common label clues

Typical concentration: 1% to 10%
Regulatory status: Approved for use in cosmetics by the FDA (as part of generally recognized safe ingredients) and by the EU Cosmetics Regulation. No concentration restrictions are specified for leave-on or rinse-off products.
Common uses: Moisturizers, Sunscreens, Foundations, Lip products, Hair conditioners
Environmental note: As a synthetic ester, it is biodegradable under standard conditions. However, its production relies on palm or coconut oil, which may have environmental impacts depending on sourcing practices.

Good to know

It is often used as a replacement for heavier oils like mineral oil or silicones in 'clean beauty' formulations.
The fatty acids used to make it are typically sourced from coconut or palm kernel oil, so sustainability depends on the supplier.

Common questions

What is Propylene Glycol Dicaprylate/Dicaprate in beauty products?

What does Propylene Glycol Dicaprylate/Dicaprate do in a beauty product?

Is Propylene Glycol Dicaprylate/Dicaprate safe for most people?

Who should be careful with Propylene Glycol Dicaprylate/Dicaprate?

Those with known sensitivity to propylene glycol derivatives (rare) Strict 'no synthetics' skincare enthusiasts

Research sources

Cosmetic Ingredient Review (CIR) – Safety Assessment of Propylene Glycol EstersOpen PubChem – Propylene Glycol Dicaprylate/DicaprateOpen EWG Skin Deep – Propylene Glycol Dicaprylate/DicaprateOpen

Ingredient reviews are educational and are not medical advice. Patch test new products and ask a licensed clinician about persistent irritation, allergies, pregnancy-specific questions, or diagnosed skin conditions.