PEG/PPG-35/9 COPOLYMER

INCI: PEG/PPG-35/9 COPOLYMER | Function: Solubilizer | Type: PEG/PPG Copolymer

What Is PEG/PPG-35/9 COPOLYMER?

PEG/PPG-35/9 copolymer 的PEG:PPG比例约4:1,强亲水性。作为水基配方的增溶剂和分散助剂使用。A PEG-dominant copolymer (~4:1 PEG:PPG), strongly hydrophilic. Used as a solubilizer and dispersion aid in water-based formulations.

Key Skin Benefits

+ 亲水增溶 — 高PEG比例确保水基体系兼容性
+ 透明配方 — 保持产品清澈

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 %
Serum	0.5 - 2%
Face mist	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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