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OLETH-44.

Valuable CAS 9004-98-2 / CLEANSING, SURFACTANT - CLEANSING

OLETH-44 is a highly ethoxylated non-ionic fatty alcohol derived from oleyl alcohol, engineered to function as a multi-purpose surfactant. It is valued in formulations for its ability to stabilize emulsions and enhance the solubility of hydrophobic ingredients, while also effectively cleansing skin and hair.

emulsifying surfactant solubilizing

Science

Acting as a robust surfactant, OLETH-44 substantially lowers interfacial tension, facilitating the homogeneous blending of normally immiscible phases like oil and water. This property is fundamental in cleansing applications, allowing the dispersion and removal of sebum and environmental impurities. Furthermore, its emulsifying action is critical for creating stable cosmetic formulations, preventing phase separation, and it serves as a solubilizer to integrate lipid-soluble compounds into aqueous solutions.


Research

Low confidence
Effective range N/A
Optimal

N/A


Transparency

Not commonly dusted

The Formula

Solubility
Water
Optimal pH N/A
0 7 14

Stability

While specific pH stability for OLETH-44 is not directly documented, related Oleth-5 demonstrates sensitivity to high pH, undergoing hydrolysis within a 1% aqueous solution pH range of 5.0 to 7.0. The water solubility of Oleth ingredients generally increases with higher ethylene oxide content.

Conflicts

  • High pH

Safety

CIR Status
Safe as used
Sensitization risk Unknown

The Cosmetic Ingredient Review (CIR) Expert Panel has affirmed the safety of Oleth ingredients, including OLETH-44, under current usage conditions. It is important to note that OLETH-44 may enhance the transdermal penetration of co-formulated ingredients, thus its use on compromised or damaged skin is not recommended. The presence of 1,4-dioxane as a trace byproduct of ethoxylation is a known consideration, managed through stringent purification processes.


Your Skin

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

Our Assessment

Valuable

OLETH-44 is a versatile surfactant and emulsifier widely deemed safe for use, playing a critical role in product stability and cleansing efficacy, though caution is advised on damaged skin due to potential penetration enhancement.


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