PEG/PPG-19/21 COPOLYMER

INCI: PEG/PPG-19/21 COPOLYMER | Function: Emulsifier | Type: PEG/PPG Copolymer

What Is PEG/PPG-19/21 COPOLYMER?

PEG/PPG-19/21 copolymer 的PEG:PPG比例接近1:1,两亲平衡型。提供良好的界面活性,适用于O/W型乳液和乳霜的乳化稳定。A near-balanced copolymer (~1:1 PEG:PPG) with good interfacial activity for O/W emulsion and cream stabilization.

Key Skin Benefits

+ 乳液稳定 — 两亲平衡提供良好的界面活性
+ 乳霜质地 — 改善涂抹感和质地

Pros

+ 非离子型 — 配伍性好 (Non-ionic — good compatibility)
+ 低刺激性 — 标准用量下皮肤耐受性好 (Low irritation at standard levels)
+ 通用性好 (Good versatility)

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%
Lotion	0.5 - 2%

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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