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Moumoujus

TRIETHYL CITRATE.

Valuable CAS 77-93-0 / FRAGRANCE, PERFUMING, PLASTICISER

Triethyl Citrate is a versatile ester recognized for its ability to regulate sebaceous activity, minimizing excess oil and supporting clearer skin, particularly beneficial for acne-prone complexions. Beyond its oil-controlling properties, it enhances skin hydration and imparts a smoother, softer feel to formulations.

Summary

Oil-controlling Antibacterial Emollient Hydrating Solvent Fragrance fixative Plasticizer Masking Perfuming

Science

Mechanism of Action

This ingredient functions primarily as an oil-controlling agent by helping to reduce the secretion of excess sebum, which can contribute to breakouts. It exhibits antibacterial properties and, in specific applications like deodorants, acts as an enzyme blocker to prevent odor. Additionally, it serves as an emollient, providing a non-oily feel and boosting skin hydration. Its role as a solvent aids in integrating other active ingredients, while its plasticizing nature improves product spreadability and texture, and it can also stabilize fragrances.

Research

Clinical Evidence

Medium confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

No data regarding 'dusting' properties of Triethyl Citrate was found in the research.

The Formula

Formulation

Solubility
Both
Optimal pH 6 – 8
0 7 14

Stability

Triethyl Citrate maintains stability under typical usage conditions and within a pH range of 6.0 to 8.0, with recorded stability for 16 years at pH 7 and 2 years at pH 8. It is partially water-soluble (approximately 6.50x10^4 mg/L, or 1 in 15 parts water) and miscible with alcohols and ether. As a polar, lipophilic oil, it is preferably incorporated into the oil phase of a formulation. For water-dominant systems (e.g., hydroalcoholic sprays), pre-dispersion with a solubilizer is advised. Avoid exposure to strong oxidizing agents, high heat, and open flames.

Synergies

  • Ethyl Linoleate (for enhanced sebum reduction and acne treatment)

Conflicts

  • Strong alkalis
  • Oxidizing materials

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The CIR Expert Panel deems Triethyl Citrate safe for cosmetic use within current practices. Human studies, including tests up to 20% concentration, indicate a low irritation potential, classifying it as non-irritant, non-sensitizing, and dermatologically friendly. However, in its raw material form, or as a mist/at elevated temperatures, it may cause irritation to eyes, skin, or the respiratory system. It is also recognized as Generally Recognized As Safe (GRAS) by the FDA as a direct food additive.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Verdict

Valuable

Triethyl Citrate is a valuable multifunctional ingredient, particularly effective for managing oily and acne-prone skin due to its sebum-regulating and antibacterial properties, while also enhancing product texture and skin hydration with a favorable safety profile.

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