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Moumoujus

PPG-2-CETETH-20.

Valuable CAS 9087-53-0 / 37311-01-6 / SKIN CONDITIONING, SURFACTANT - CLEANSING

PPG-2-CETETH-20 is a synthetic, non-ionic surfactant widely utilized in skincare for its multi-functional properties. It acts primarily as an emulsifier, stabilizing oil and water phases, and as a solubilizer, aiding the dissolution of challenging ingredients. Beyond its formulation benefits, it also offers emollient effects, supporting skin hydration.

Summary

Emulsifying Solubilizing Emollient Surfactant Skin Conditioning

Science

Mechanism of Action

This ingredient functions by decreasing the surface tension between immiscible liquids, thereby facilitating the creation and stability of emulsions. As a solubilizer, it enhances the dispersion of lipophilic substances within aqueous systems. On the skin, PPG-2-CETETH-20 forms a lightweight occlusive film, which effectively reduces transepidermal water loss and locks in moisture, promoting skin health and barrier function. It also contributes lubricating properties and can temper the harsh, degreasing characteristics of some anionic surfactants.

Research

Clinical Evidence

Medium confidence
Effective range 5–20%
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH 3 – 12
0 7 14

Stability

PPG-2-CETETH-20 exhibits robust stability across a broad pH spectrum, from 3 to 12. It demonstrates compatibility with a variety of other surfactants, effectively mitigating the degreasing potential of anionic surfactants. Furthermore, it can enhance the water dispersibility of active compounds and function as a dispersing agent for finely divided powders.

Synergies

  • Reduces harshness of anionic surfactants
  • Improves water dispersibility of active ingredients
  • Acts as a dispersing agent for powders

Safety

Safety Profile

CIR Status
Safe as used with restrictions
Max tested
20%
Sensitization risk Moderate

The CIR Expert Panel has deemed PPG-2-CETETH-20 and related alkyl PEG/PPG ethers safe for cosmetic use, contingent on being formulated to be non-irritating. While a related ingredient (PPG-5-Ceteth-20) is considered safe up to 20%, manufacturing contamination could introduce moderate hazards. For a closely related compound (PPG-8-Ceteth-20), there are observations of potential skin irritation or allergic reactions in sensitive individuals, suggesting that sensitivity tests may be prudent. General caution against using PEGs on compromised skin is advised, though this is not specific to PPG-Ceteths.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

PPG-2-CETETH-20 is a valuable ingredient, effectively stabilizing diverse cosmetic formulations as an emulsifier and solubilizer while imparting beneficial emollient properties to the skin across a broad pH range.

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References

Sources