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DIMETHICONE PEG-7 PHTHALATE.

Avoid / HAIR CONDITIONING, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

DIMETHICONE PEG-7 PHTHALATE is a PEGylated silicone polymer designed to function as a conditioning and complexing agent. This ingredient provides slip and forms a protective barrier on the skin or hair, with its PEGylation enhancing water dispersibility compared to non-modified silicones.

Summary

emollient hair conditioning skin conditioning

Science

Mechanism of Action

As a PEGylated silicone, DIMETHICONE PEG-7 PHTHALATE primarily works by forming a lightweight, protective film on the skin or hair surface. This film provides improved slip and sensory feel, contributing to conditioning benefits. The PEGylation process enhances its compatibility and dispersibility in water-based cosmetic formulations.

Research

Clinical Evidence

Insufficient-data confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH 5.5 – 8.5
0 7 14

Stability

While specific stability data for DIMETHICONE PEG-7 PHTHALATE is limited, analogous PEG-Dimethicones like PEG-8 Dimethicone demonstrate optimal stability within a pH range of 5.5 to 8.5. For example, PEG-8 Dimethicone at 1% active concentration experienced 20% hydrolysis over 45 days at pH 5, extending to 86 days at pH 8. Its PEG-modified structure renders it water-dispersible or soluble, mitigating concerns of build-up often associated with unmodified dimethicones.

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Unknown

DIMETHICONE PEG-7 PHTHALATE has not been assessed for safety by the Cosmetic Ingredient Review (CIR) Expert Panel or in peer-reviewed literature. It is listed as 'Restricted' for EWG VERIFIED products due to 'Contamination concerns (high)' relating to potential impurities such as Ethylene Oxide and 1,4-Dioxane. While a 2010 FDA survey found no safety concerns for general phthalates at typical cosmetic levels, this does not specifically address the stated contamination risks unique to this ingredient. General dimethicone polymers are widely considered safe and unlikely to be absorbed, but these observations do not override the specific contamination risks identified for this particular PEGylated phthalate derivative.

Your Skin

Skin Compatibility

No Normal
No Dry
No Oily
No Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Verdict

Avoid

Despite its potential conditioning benefits, DIMETHICONE PEG-7 PHTHALATE is not recommended for use due to high contamination concerns with toxic impurities and a complete lack of independent safety assessment by industry panels.

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