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PEG-100 LANOLIN.

Valuable CAS 61790-81-6 / SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

PEG-100 Lanolin is a highly versatile lanolin derivative engineered for enhanced water and alcohol solubility. It primarily functions as a skin conditioning agent, emollient, and emulsifier, helping to create stable formulations while imparting a soft, smooth feel to the skin.

Summary

Skin Conditioning Agent Emollient Surfactant Emulsifier Lubricant Consistency Enhancer Softening Agent Solubilizer Binding Agent Fixative

Science

Mechanism of Action

This ingredient works by reducing the surface tension between different substances, facilitating the formation and stabilization of emulsions through its unique lipophilic and hydrophilic molecular structure. On the skin, it acts as an effective lubricant, promoting a smooth appearance and delivering conditioning benefits. When integrated into cleansing products, PEG-100 Lanolin actively minimizes the defatting impact on skin and hair, preserving natural moisture while ensuring effective cleansing.

Research

Clinical Evidence

High confidence
Effective range 10–100%
Optimal

N/A

Key findings

  1. 01 Clinical assessments demonstrated that PEG Lanolins, including PEG-100 Lanolin, induced mild or negligible skin irritation at concentrations ranging from 10% to 100%.
  2. 02 Human assays consistently reported PEG Lanolins to be nonsensitizing across various concentrations, specifically up to 60%, indicating a low risk of allergic reaction.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Both
Optimal pH N/A
0 7 14

Stability

Polyethylene glycols and their derivatives, such as PEG-100 Lanolin, are recognized for their excellent skin tolerability and inherent resistance to microbiological degradation, often eliminating the necessity for additional preservatives. No specific optimal pH range for stability has been identified.

Safety

Safety Profile

CIR Status
Safe as used
Max tested
40%
Sensitization risk Low

The CIR Expert Panel affirmed the safety of PEG Lanolins in cosmetics, with a maximum recommended concentration of 40% in leave-on products and 10% in rinse-off formulations. While minor traces of 1,4-dioxane, a by-product of ethoxylation, may occur, these are meticulously controlled through purification and monitored by regulatory bodies like the FDA. It is crucial to distinguish PEG-100 Lanolin from general lanolin, which was designated the 2023 Contact Allergen of the Year; PEG Lanolins have specifically shown non-sensitizing properties in human tests up to 60%.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

PEG-100 Lanolin is a valuable ingredient, prized for its emulsifying, skin-conditioning, and emollient properties, with a strong safety profile demonstrating low irritation and sensitization risks.

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