PEG/PPG-4/12 DIMETHICONE

INCI: PEG/PPG-4/12 DIMETHICONE | Function: Emollient/Emulsifier | Type: PEG/PPG Dimethicone Copolymer

What Is PEG/PPG-4/12 DIMETHICONE?

PEG/PPG-4/12 Dimethicone 是二甲基硅氧烷与PEG/PPG-4/12的共聚物,PPG比例更高(12:4=3:1)。这种硅基非离子乳化剂特别适合W/O型和水包硅油体系,在护肤品和防晒产品中提供出色的铺展性和防水效果。A dimethicone copolymer with PEG/PPG-4/12 (3:1 PPG:PEG). Particularly suited for W/O and water-in-silicone systems, providing excellent spreadability and water resistance.

Key Skin Benefits

+ W/O硅油乳化 — 高PPG比例适合油包水硅油体系
+ 防水效果 — 硅氧烷提供耐水性
+ 出色铺展性 — 丝滑延展不拉扯皮肤

Pros

+ W/O硅油乳化能力强
+ 防水性
+ 丝滑铺展
+ 非离子型

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, Hair
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 %
Sunscreen	1 - 5%
W/O Foundation	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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