PEG-2 Stearate SE

INCI: PEG-2 Stearate SE | Function: Self-Emulsifying Agent | Type: Emulsifier (Nonionic)

What Is PEG-2 Stearate SE?

PEG-2 Stearate SE is a self-emulsifying grade of PEG-2 Stearate, containing free fatty alcohols to enhance its emulsifying capability. The 'SE' (self-emulsifying) designation means it can form stable emulsions without additional co-emulsifiers. It produces water-in-oil emulsions with a rich, luxurious feel.

Key Skin Benefits

+ Self-emulsifying — one-component emulsifier system
+ Rich texture — creates luxurious cream formulations
+ Stable emulsions — resistant to temperature cycling

Pros

+ Simplifies formulation — reduces number of ingredients needed
+ Produces stable w/o emulsions
+ Good skin feel — non-greasy finish

Cons

− Synthetic origin
− Limited to w/o emulsion systems
− Potential 1,4-dioxane trace contamination

Specifications

Property	Value
Usage Areas	Face, Body
Product Type	Leave-On
Source	Synthetic
Natural Level	Synthetic

Safety Ratings

Metric	Rating
Skin Sensitivity	2/5
Comedogenic Rating	1/5
EWG Score	3/10

Regional Regulatory Limits

Region	Leave-on %	Rinse-off %	Status
EU (CosIng)	No limit	No limit	Allowed
US (CIR/FDA)	No limit	No limit	Allowed
Japan (MHLW)	No limit	No limit	Allowed
ASEAN	No limit	No limit	Allowed
China (NMPA)	No limit	No limit	Allowed

Typical Usage % by Product Type

Product Type	Typical %
Rich creams	2 - 5%
Night creams	2 - 4%
Body butters	2 - 5%

References

CIR (2010) — Safety Assessment of PEGs. https://www.cir-safety.org/
Flick (1991) — Cosmetic and Toiletry Formulations. ISBN: 978-0815512664

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