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PPG-18 BUTYL ETHER.

Valuable CAS 9003-13-8 / HAIR CONDITIONING, SKIN CONDITIONING

PPG-18 Butyl Ether is a synthetic polymer functioning as a versatile conditioning agent for skin and hair, and also as a solvent. It is utilized in skincare to enhance the appearance of dry or damaged skin by improving moisture retention and promoting suppleness.

Summary

skin conditioning hair conditioning solvent

Science

Mechanism of Action

This ingredient operates by establishing a thin, protective film on the skin or hair surface. This film effectively minimizes trans-epidermal water loss, thus providing hydration and safeguarding against dehydration, while simultaneously reducing flaking and restoring skin elasticity.

Research

Clinical Evidence

Medium confidence
Effective range 0.1–1%
Optimal

N/A

Key findings

  1. 01 Clinical assessments have shown that related PPG Butyl Ethers are well-tolerated. PPG BE800, a closely related compound, was found to be non-carcinogenic in rats and non-irritating/non-sensitizing to human skin in clinical studies at concentrations between 0.001%-0.26%.
  2. 02 Similarly, PPG-40 Butyl Ether demonstrated no irritant or sensitizing effects in a human repeat-insult patch test. While specific optimal concentrations for PPG-18 Butyl Ether's conditioning efficacy are not detailed, related PPG-14 Butyl Ether is typically used in the 0.1%-1% range for cosmetic applications.

Transparency

Dusting Analysis

Not commonly dusted

Information regarding 'dusting' behavior or specific thresholds for PPG-18 Butyl Ether is not available in the provided research data.

The Formula

Formulation

Solubility
Both
Optimal pH N/A
0 7 14

Stability

No specific optimal pH or stability notes are available in the current research data.

Safety

Safety Profile

CIR Status
Safe as used with restrictions
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel concluded that PPG-18 Butyl Ether, alongside other PPG Butyl Ethers, is safe for use in cosmetic products when formulated to avoid irritation. Animal test data indicated potential irritation, but clinical testing in humans did not show significant skin irritation when appropriately formulated. While a specific maximum safe concentration for PPG-18 Butyl Ether is not explicitly stated, related ethers like PPG-14 Butyl Ether are typically used at 0.1%-1% (with higher concentrations permissible), and PPG-40 Butyl Ether has been reported in hair wax up to 71%.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

PPG-18 Butyl Ether is a valuable skin and hair conditioning agent and solvent, with a low risk of irritation and sensitization when incorporated into cosmetic formulations at appropriate concentrations.

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