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DIISOOCTYL SEBACATE.

Valuable CAS 10340-41-7 / ANTIOXIDANT, PLASTICISER, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

Diisooctyl Sebacate is a versatile ester functioning primarily as an emollient, delivering significant skin softening and moisturizing benefits without a greasy residue. It also acts as an effective solvent for a range of cosmetic components, enhancing formulation stability and performance.

Summary

Emollient Solvent Film-forming Antioxidant Hair conditioning Masking agent Plasticizer

Science

Mechanism of Action

This ingredient operates as an emollient by forming a light, non-greasy film on the skin's surface, which helps to improve hydration, smoothness, and overall luster. Its molecular structure facilitates good permeability and spreadability, ensuring efficient delivery and a pleasant skin feel. Beyond its emollient properties, Diisooctyl Sebacate serves as a crucial solvent, solubilizing pigments, vitamins, and preservatives within formulations. It also exhibits resistance to enzymatic degradation and possesses antioxidant characteristics, contributing to both skin and product integrity.

Research

Clinical Evidence

High confidence
Effective range 1–3%
Optimal

1-3%

Key findings

  1. 01 The Cosmetic Ingredient Review (CIR) Expert Panel concluded safety for cosmetic use within 1-3% concentrations (CIR Expert Panel Meeting December 13-14, 2010).

Transparency

Dusting Analysis

Not commonly dusted

As a liquid emollient and solvent, Diisooctyl Sebacate is not associated with 'dusting' concerns in cosmetic formulations.

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

The substance demonstrates stability under standard ambient storage and handling conditions. For optimal longevity, it should be stored in a tightly sealed container within a cool, dry, well-ventilated environment, away from direct sunlight, heat, or ignition sources.

Synergies

  • Enhances solubility and spread of various cosmetic actives (e.g., pigments, vitamins, preservatives)
  • Improves sensory properties and film-forming characteristics of formulations.

Conflicts

  • strong oxidizers

Safety

Safety Profile

CIR Status
Safe as used
Max tested
3%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has deemed Diisooctyl Sebacate safe for cosmetic use up to 3%. It is not classified as hazardous under GHS criteria and poses minimal risk of skin irritation. While generally well-tolerated, a patch test is recommended for individuals with particularly sensitive skin. The FDA lists it as a Food Contact Substance (FCS) under document number 177.2600.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Diisooctyl Sebacate is a valuable multi-functional ingredient, offering significant emollient, solvent, and film-forming properties with a robust safety profile and broad skin compatibility.

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