Science
Mechanism of Action
DEP functions primarily as an effective solvent, dissolving other substances and creating a continuous film. In fragrances, it acts as a fixative, significantly slowing the evaporation of volatile scent compounds to enhance longevity.
Research
Clinical Evidence
High confidenceN/A
Key findings
- 01 Detected in adult cosmetic products up to 3.6% (36,006 µg/g) with approximately 24.9% dermal absorption into systemic circulation.
- 02 Found in baby-care products at concentrations up to 0.027% (274 µg/g).
- 03 Used as a vehicle in allergen patch testing from 0.00006% to 2% to determine minimum elicitation concentrations.
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Diethyl Phthalate is chemically stable under normal storage conditions. It exhibits minimal decomposition when kept away from strong acids, bases, or oxidizing agents and is compatible with PVC and synthetic resins.
Conflicts
- strong acids
- strong bases
- oxidizing agents
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel, the Scientific Committee on Consumer Safety (SCCS), and the FDA all consider Diethyl Phthalate safe for cosmetic use at current concentrations, with the highest reported concentration in perfumes being 11%.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Diethyl Phthalate is a valuable multi-functional ingredient, rigorously assessed as safe for cosmetic use, primarily enhancing product texture, stability, and fragrance longevity.
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References
Sources