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PEG-75 DISTEARATE.

Valuable CAS 9005-08-7 / SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

PEG-75 Distearate is a versatile polyethylene glycol derivative, primarily functioning as an emulsifier and surfactant to stabilize water and oil phases in cosmetic formulations. It also acts as a humectant and emollient, contributing to skin hydration and texture enhancement.

Summary

emulsifying surfactant humectant solvent binding moisturizing skin conditioning

Science

Mechanism of Action

This ingredient operates by lowering the surface tension between immiscible liquids, facilitating the creation and stabilization of emulsions. As a humectant, it actively draws moisture into the skin, improving hydration and imparting emollient properties that soften and smooth the skin's surface. Additionally, it functions as a solvent to ensure cohesive ingredient mixing and as a cleansing agent by helping to emulsify oils and dirt for easy rinsing.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH 5 – 7
0 7 14

Stability

PEG-75 Distearate exhibits general stability within a pH range of 5.0 to 7.0. A key formulation consideration is minimizing the presence of 1,4-dioxane, a potential byproduct of ethoxylation, through rigorous purification steps.

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has determined PEG-75 Distearate to be safe for use in cosmetics, considering concentrations between 0.2% and 36%. However, the CIR recommends avoiding PEG-based ingredients on damaged skin, particularly in burn patients, due to potential kidney effects observed with certain PEG-based antimicrobial preparations. Low levels of 1,4-dioxane, a by-product, can be controlled by purification, and the ingredient generally exhibits low toxicity and minimal ocular irritation.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

PEG-75 Distearate is a valuable multi-functional ingredient, crucial for enhancing formulation stability and texture while providing humectant and emollient benefits with a low risk of irritation or comedogenicity for most skin types.

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