Tridecyl Trimellitate



Tridecyl Trimellitate at a glance

  • Used as a skin-softening emollient, film-forming agent, and texture-enhancing ingredient
  • Also touted as an excellent pigment dispersant in cosmetic formulas
  • Described as a high-viscosity liquid in raw material form
  • Deemed safe by the Cosmetic Ingredient Review Expert Panel

Tridecyl Trimellitate description

Tridecyl trimellitate is a synthetic ingredient used as a skin-softening emollient, film-forming agent, and texture-enhancing ingredient. It is also touted as an excellent cosmetic pigment dispersant.As a raw material, tridecyl trimellitate is described as a high-viscosity liquid.The Cosmetic Ingredient Review Expert Panel assessment (completed in 2015) concluded that tridecyl trimellitate is safe in cosmetics. Based on their survey results, the maximum reported concentration of use was 57.1% in lipstick formulations.

Tridecyl Trimellitate references

  • Cosmetic Ingredient Review, October 2015, pages 1-27
  • Universal Preserv-A-Chem Inc. (supplier info), Accessed December 2021, ePublication

Peer-reviewed, substantiated scientific research is used to assess ingredients in this dictionary. Regulations regarding constraints, permitted concentration levels and availability vary by country and region.

Ingredient ratings


Proven and supported by independent studies. Outstanding active ingredient for most skin types or concerns.


Necessary to improve a formula's texture, stability, or penetration.


Generally non-irritating but may have aesthetic, stability, or other issues that limit its usefulness.


There is a likelihood of irritation. Risk increases when combined with other problematic ingredients.


May cause irritation, inflammation, dryness, etc. May offer benefit in some capability but overall, proven to do more harm than good.


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Not Rated