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PEG-55 LANOLIN.

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

PEG-55 Lanolin is a polyoxyethylenated derivative of lanolin, functioning primarily as a skin conditioning agent and emollient. It also serves as an effective oil-in-water emulsifier, enhancing product texture and stability.

Summary

Emollient Emulsifying Hair conditioning Skin conditioning Surfactant Binding Humectant Solvent

Science

Mechanism of Action

This ingredient operates by significantly reducing the surface tension of substances, facilitating the formation and stabilization of emulsions. On the skin's surface, it acts as a lubricant, imparting a sensation of softness and smoothness. When incorporated into cleansing formulations, PEG-55 Lanolin actively minimizes the defatting effects on both skin and hair.

Research

Clinical Evidence

Insufficient-data confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 Clinical evaluations involving PEG Lanolins, including PEG-55 Lanolin, demonstrated mild to negligible skin irritation and no reported sensitizing effects at concentrations ranging from 10% to 100%. Further studies confirmed these non-irritating and non-sensitizing properties in patients at concentrations between 10% and 60%.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Both
Optimal pH N/A
0 7 14

Stability

Generally stable across cosmetic formulations. Manufacturers must ensure purification processes effectively control trace amounts of 1,4-dioxane, a potential byproduct of its ethoxylation.

Conflicts

  • Individuals with compromised skin barriers or known sensitivities may exhibit cross-sensitization to other PEG derivatives.

Safety

Safety Profile

CIR Status
Safe as used
Max tested
100%
Sensitization risk Low

The CIR Expert Panel considers PEG Lanolins, including PEG-55 Lanolin, safe for use in cosmetics. While general lanolin can be comedogenic, PEG Lanolins have shown minimal irritation and no sensitization in studies up to 100%. Trace amounts of 1,4-dioxane, a byproduct of the ethoxylation process, should be meticulously controlled through purification. Lanolin, the base material, is FDA-approved for specific food and OTC drug applications. No specific SCCS status for PEG-55 Lanolin was found.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

PEG-55 Lanolin is a valuable emollient and emulsifier, well-suited for a broad range of skincare and haircare applications due to its established safety profile and skin-conditioning benefits.

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