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Moumoujus

SORBETH-40.

Valuable CAS 53694-15-8 / HUMECTANT, SOLVENT, SURFACTANT - EMULSIFYING, VISCOSITY CONTROLLING

Sorbeth-40 is a hydrophilic, nonionic surfactant and emulsifier, playing a pivotal role in formulating stable oil-in-water emulsions. Beyond its primary function in blending immiscible components, it also contributes as a mild cleansing agent and a humectant.

Summary

Humectant Solvent Surfactant - Emulsifying Viscosity Controlling Cleansing Agent

Science

Mechanism of Action

Sorbeth-40 primarily functions by reducing the interfacial tension between aqueous and oily phases, thereby enabling the formation and stabilization of uniform emulsions. Its nonionic structure facilitates mixing while minimizing potential interactions with other ingredients. Additionally, it possesses mild humectant capabilities, attracting and retaining atmospheric moisture to support skin hydration.

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 N/A
0 7 14

Safety

Safety Profile

CIR Status
Safe as used
Max tested
25%
Sensitization risk Low

The CIR Expert Panel deemed Sorbeth-40, along with other PEG Sorbitan/Sorbitol Fatty Acid Esters, safe for cosmetic use up to 25% concentration. A critical caveat is that it should not be applied to damaged skin. Trace amounts of 1,4-dioxane, a by-product of ethoxylation, may be present but can be controlled through meticulous purification. European cosmetic regulations generally permit its use, particularly when derived from plant sources.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Sorbeth-40 is a valuable nonionic surfactant and emulsifier, essential for creating stable cosmetic formulations, particularly oil-in-water emulsions, with a favorable safety profile at concentrations up to 25%.

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