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Moumoujus

OLETH-10.

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

OLETH-10 is a versatile ethoxylated fatty alcohol primarily functioning as a non-ionic emulsifier to stabilize oil and water mixtures within formulations. It also acts as a cleansing surfactant and solubilizer, improving product consistency and potentially enhancing the dermal penetration of co-formulated ingredients.

Summary

Emulsifying Surfactant/Cleansing Solubilizing Texture Enhancing Penetration Enhancing Foaming Emollient

Science

Mechanism of Action

OLETH-10 operates by significantly lowering the interfacial tension between immiscible phases, thereby promoting the formation and stability of emulsions. As a surfactant, it reduces the surface tension of cosmetic formulations, enabling water to effectively mix with and lift oil and dirt for superior cleansing. Its solubilizing capability allows for the uniform dispersion of hydrophobic ingredients in aqueous systems. Furthermore, OLETH-10 has been observed to enhance the penetration of other ingredients into the skin, which can amplify their functional efficacy. It also contributes to texture refinement and foam stabilization.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Both
Optimal pH N/A
0 7 14

Stability

OLETH-10's nonionic nature generally imparts good flexibility and compatibility across a wide pH spectrum. However, some sources present conflicting information regarding its pH stability, with indications of decomposition at high pH levels while other data suggests stability against both acid and alkali. Consequently, careful consideration and testing are advisable when formulating at extreme high pH.

Synergies

  • Enhances the penetration of co-formulated active ingredients, potentially improving their efficacy within the skin.

Conflicts

  • Avoid use on damaged or compromised skin, as OLETH-10's penetration-enhancing properties may lead to increased absorption of other ingredients, potentially causing irritation.
  • As an ethoxylated ingredient, the raw material may contain traces of 1,4-dioxane. Rigorous purification steps during manufacturing are crucial to ensure concentrations are within safe, regulated limits.

Safety

Safety Profile

CIR Status
Safe as used
Max tested
14%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel deemed OLETH-10 safe at concentrations up to 14% when formulated to be non-irritating. A critical consideration is its potential to increase the penetration of other ingredients, necessitating caution and avoidance on damaged skin. While 1,4-dioxane is a known byproduct of the ethoxylation process, its presence can be effectively controlled and minimized through stringent purification. OLETH-10 is not classified as a reproductive or developmental toxicant.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

OLETH-10 is a valuable non-ionic surfactant and emulsifier, critical for stabilizing diverse formulations and enhancing ingredient delivery, provided its usage respects the 14% maximum concentration and the contraindication for damaged skin.

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