PEG/PPG-26/31 COPOLYMER

INCI: PEG/PPG-26/31 COPOLYMER | Function: Emulsifier | Type: PEG/PPG Copolymer

What Is PEG/PPG-26/31 COPOLYMER?

PEG/PPG-26/31 copolymer 的PEG:PPG比例接近1:1,两亲平衡型乳化助剂。适用于O/W和W/O多种乳液体系。A near-balanced copolymer emulsification aid, suitable for both O/W and W/O emulsion systems.

Key Skin Benefits

+ 多体系适用 — O/W和W/O均可
+ 质地改善 — 丝滑涂抹感

Pros

+ 体系适用性广
+ 非离子型
+ 稳定性好

Cons

− 合成成分 (Synthetic)
− 1,4-二噁烷风险 — 需纯化去除 (1,4-dioxane risk — requires purification)
− 非活性 — 配方助剂,无直接护肤功效 (Non-active — formulation aid only)

Specifications

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

Safety Ratings

Metric	Rating
Skin Sensitivity	1/5 (low)
Comedogenic Rating	0-1/5
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 %
Cream	0.5 - 3%
Sunscreen	1 - 5%

References

CIR — Safety Assessment of PEG ingredients. PEGs considered safe as used in cosmetics.
EWG Skin Deep — PEG compound hazard database
EU CosIng Database — Listed as cosmetic ingredient

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