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Common Name(s): Tripropylene glycol citrate,tripropylene glycol (ppg trimer) citric acid (citrate ester) ester

DESCRIPTION

What It Does: Softens and conditions skin with a light, non-greasy feel.

Why It's Used: Used for its amphiphilic ppg citrate ester; mild chelating from citric acid; moisturizing from ppg character emollient properties; suitable for lightweight skin care where non-greasy texture is key.

How It Works: Ester of tripropylene glycol (ppg trimer) (branched or specialty alcohol) with citric acid (citrate ester); branching reduces crystallinity and greasiness; provides smooth, dry-oil skin feel.

Typically Found In: Lightweight moisturizers,sunscreens,skin serums,body lotions

TECHNICAL DETAILS

Primary Category: Functional ingredient – emollient

Secondary Functions: Skin conditioning,texture modification,spreading agent

Application Areas:

Facial Skincare

Body Care

Hair Care

Beard Care

Color Cosmetics (Makeup)

Dietary/Oral Supplements

Typical Concentration Range: 0.5%–10%

SOURCING & ETHICS

Vegan Status: Yes

Halal Status: Yes

Source Notes: Tripropylene glycol (ppg trimer) and citric acid (citrate ester); plant or synthetic origin.

SKIN COMPATIBILITY

Irritancy Rating: 1/5 – very low

Comedogenicity Rating: 1/5 – 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,silicones,natural oils,humectants

Avoid Combining With: No significant incompatibilities

SCIENTIFIC NOTE

Tripropylene glycol citrate: ppg-3 type backbone esterified with citric acid; the citrate group provides mild chelating and antioxidant preservative-enhancing activity; the ppg backbone provides mild humectancy.

Last Verified: 2026-03-28

Primary Sources: Cosing database,inci dictionary