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Common Name(s): Propanediyl 3-hydroxycaprate

DESCRIPTION

What It Does: Conditions skin with a mild, moderately polar ester derived from hydroxycapric acid.

Why It's Used: Used as a mild emollient with moderate polarity between non-polar esters and polar humectants.

How It Works: Propanediol diester of 3-hydroxycapric acid; the c10 chain provides emolliency; the hydroxyl group on c3 of the capric acid adds polarity and mild water-binding.

Typically Found In: Skin care,mild emollient formulas

TECHNICAL DETAILS

Primary Category: Functional ingredient โ€“ emollient

Secondary Functions: Emollient,skin conditioning agent

Application Areas:

Facial Skincare

Body Care

Hair Care

Beard Care

Color Cosmetics (Makeup)

Dietary/Oral Supplements

Typical Concentration Range: 0.5%โ€“5%

SOURCING & ETHICS

Vegan Status: Yes

Halal Status: Yes

Source Notes: Propanediol from plant fermentation (dupont bio-pdo); 3-hydroxycapric acid from biotechnology.

SKIN COMPATIBILITY

Irritancy Rating: 1/5 โ€“ very low

Comedogenicity Rating: 1/5 โ€“ low

Sensitivity Concerns: Generally well tolerated.

Safe for Sensitive Skin: Yes

SAFETY & COMPATIBILITY

Safety Profile: Good safety profile. ewg score: 1.

Works Well With: Other emollients,humectants

Avoid Combining With: No significant incompatibilities

SCIENTIFIC NOTE

3-hydroxycapric acid esters represent a class of polar emollients bridging conventional non-polar esters and humectant polyols; used in formulations requiring mild polarity balance.

Last Verified: Cosing database,inci dictionary

Primary Sources: 2026-03-28