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DISODIUM PEG-12 DIMETHICONE SULFOSUCCINATE.

Valuable / CLEANSING, SURFACTANT - CLEANSING, SURFACTANT - HYDROTROPE

This advanced ingredient acts as a mild surfactant, emulsifier, and conditioning agent, enhancing product performance by stabilizing formulations and improving texture. Its unique structure supports cleansing while imparting a smooth, hydrated feel to the skin and hair.

Summary

Cleansing Surfactant / Cleansing Surfactant / Hydrotrope Emulsifying Moisturizing / Humectant

Science

Mechanism of Action

DISODIUM PEG-12 DIMETHICONE SULFOSUCCINATE functions by reducing the surface tension of water, effectively lifting and solubilizing dirt, oils, and impurities from the skin. Its amphiphilic nature, with hydrophilic polyethylene glycol (PEG) segments and a hydrophobic silicone (dimethicone) portion, allows it to blend oil and water components, stabilize emulsions, and enhance product spreadability. Furthermore, it forms a thin, breathable film on the skin, contributing to moisture retention and a protective barrier.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted
Red flag below
1%

While not commonly 'dusted' or avoided entirely, this ingredient requires careful formulation. The Cosmetic Ingredient Review (CIR) Expert Panel recommends use at concentrations less than 1% in finished products to ensure low risk and non-irritating properties. Higher concentrations (e.g., 30-50% in testing) have shown potential for irritation. Environmental concerns regarding persistence and non-biodegradability have also been noted.

The Formula

Formulation

Solubility
Water
Optimal pH 5.5 – 7
0 7 14

Stability

Maintains stability across a broad range of pH levels and temperatures. Exhibits good compatibility with various active ingredients.

Synergies

  • Water-soluble vitamins
  • Antioxidants
  • Botanical extracts

Conflicts

  • Strong oxidizing agents
  • Open flames

Safety

Safety Profile

CIR Status
Safe with restrictions
Max tested
1%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) deemed this ingredient safe for cosmetic use when formulated to be non-irritating and within safe concentration limits, typically less than 1% in finished products. While related compounds like PEG-12 Dimethicone are recognized by the US FDA as skin protectors at low concentrations, concerns have been raised by EWG regarding potential toxic impurities and respiratory risks in inhalable forms. It is also noted for its environmental persistence.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

DISODIUM PEG-12 DIMETHICONE SULFOSUCCINATE is a versatile ingredient, offering cleansing, emulsifying, and conditioning benefits suitable for all skin types, provided it is formulated at concentrations below 1% to ensure optimal safety and minimize potential irritation.

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