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Moumoujus

PEG-12 METHYL ETHER LAUROXY PEG-5 AMIDOPROPYL DIMETHICONE.

Questionable / HAIR CONDITIONING

This multifunctional ingredient, a silicone-PEG copolymer, serves primarily as a conditioning agent and emollient in skincare formulations. It contributes to skin's enhanced texture and moisture retention by forming a silky, non-greasy, and breathable film.

Summary

Conditioning Agent Humectant Emollient Solubilizer Consistency Enhancer Softening Agent Surface Tension Depressant

Science

Mechanism of Action

Functioning as a surface tension depressant, PEG-12 METHYL ETHER LAUROXY PEG-5 AMIDOPROPYL DIMETHICONE efficiently distributes across the skin surface. Its copolymer structure allows it to act as both a humectant, attracting and binding water, and an emollient, forming a smooth, vapor-permeable film. This dual action locks in moisture and imparts a refined, silky texture to the skin.

Research

Clinical Evidence

Low 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

Stability

This compound exhibits stability in aqueous solutions that are neutral, mildly acidic, or mildly alkaline. Strong acids or strong alkalis are known to reduce its stability.

Conflicts

  • strong acid
  • strong alkali
  • broken or irritated skin (due to potential impurities)

Safety

Safety Profile

CIR Status
Safe as used
Max tested
6.5%
Sensitization risk Moderate

The Cosmetic Ingredient Review (CIR) Expert Panel has deemed the broader ingredient, PEG-12 Dimethicone, safe for cosmetic use up to a maximum concentration of 6.5%, an assessment supported by regulatory bodies like the U.S. FDA and European Commission. However, for this specific variant, PEG-12 METHYL ETHER LAUROXY PEG-5 AMIDOPROPYL DIMETHICONE, the Environmental Working Group (EWG) assigns a 'D' rating, indicating that EWG VERIFIED products generally cannot contain it without adequate substantiation. Concerns cited include 'May cause cancer' and 'Known to cause reproductive toxicity (to females)' with a 'some' qualifier, as well as irritation to eyes and skin (the latter specifically in household cleaner contexts). Furthermore, general PEGs may contain harmful impurities such as ethylene oxide and 1,4-dioxane, suggesting that products containing PEGs should not be applied to broken or irritated skin.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Questionable

While offering functional benefits like conditioning and moisture retention suitable for all skin types with low irritancy, this ingredient's specific EWG 'D' rating, citing potential toxicity and impurity concerns, warrants careful consideration for precision skincare formulations.

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