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DECYL POLYGLYCERYL-3 DIMETHICONE.

Valuable / HAIR CONDITIONING, SKIN CONDITIONING, SURFACTANT - DISPERSING, VISCOSITY CONTROLLING

A high-performance, PEG-free silicone emulsifier designed to create stable water-in-silicone structures with a refined sensory profile. It serves as both a structural stabilizer and a texture enhancer, providing a weightless, breathable film that optimizes the delivery of active ingredients.

emulsifying emollient skin-conditioning texture-modifier barrier-support

Science

This ingredient functions as a branched silicone surfactant that reduces surface tension between oil and water phases, allowing for the creation of sophisticated W/Si emulsions. On the skin, it forms an invisible, non-occlusive barrier that prevents trans-epidermal water loss (TEWL) while simultaneously improving skin lubricity and reducing the perceived greasiness of lipid-heavy formulations.


Research

Medium confidence
Effective range 1–5%
Optimal

3%


Transparency

Not commonly dusted
Min. effective
0.5%

As a functional emulsifier and texture modifier, it is typically used at levels necessary to maintain formula stability (often 1-5%) rather than at 'label claim' concentrations. It is rarely included in formulas solely for marketing purposes.


The Formula

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Highly stable in branched silicone systems; excellent compatibility with various silicone fluids. Ideal for stabilizing high water-content emulsions without requiring PEG-based surfactants.

Synergies

  • Cyclopentasiloxane
  • Dimethicone
  • Mineral UV filters (Zinc Oxide/Titanium Dioxide)

Conflicts

  • High concentrations of highly polar oils

Safety

CIR Status
Safe as used
Max tested
85%
Pregnancy
Safe
Sensitization risk Low

Due to its high molecular weight, this ingredient does not penetrate the skin barrier, making it exceptionally safe for topical use. CIR paneling classifies it as non-sensitizing and a minimal irritant.


Your Skin

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

Our Assessment

Valuable

An essential ingredient for modern, high-precision textures that require superior stability and a non-greasy, protective skin feel.


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