PERFLUOROOCTYLETHYL TRISILOXANE
INCI: PERFLUOROOCTYLETHYL TRISILOXANE | Function: Film Former, Solvent | Type: Perfluorocarbon
What Is PERFLUOROOCTYLETHYL TRISILOXANE?
Perfluorooctylethyl Trisiloxane (CAS 163921-85-5) 是一种含全氟辛基的三硅氧烷。低粘度、高挥发性氟硅液体，用于提供轻盈的初始肤感和抗水效果。
Key Skin Benefits
- + Specialty Solvent — 工业氟化溶剂在化妆品中极少使用
- + Chemical Inertness — 高度稳定不反应
Pros
- + Extremely chemically stable
- + Low surface tension for unique spreading
Cons
- − PFAS compound — environmental persistence concern
- − Limited cosmetic safety data
- − Regulatory risk under evolving PFAS restrictions
Specifications
| Property | Value |
|---|
| Usage Areas | Face, Eye, Body |
| Product Type | Leave-On, Rinse-Off |
| Source | Synthetic |
| Natural Level | Synthetic |
Safety Ratings
| Metric | Rating |
|---|
| Skin Sensitivity | 2/5 |
| Comedogenic Rating | 0/5 |
| EWG Score | 4/10 |
Regional Regulatory Limits
| Region | Leave-on % | Rinse-off % | Status |
|---|
| EU (CosIng) | Under review | Under review | PFAS restriction pending |
| US (CIR/FDA) | No limit | No limit | Minimal use |
| Japan (MHLW) | No limit | No limit | Allowed |
| ASEAN | No limit | No limit | Allowed |
| China (NMPA) | Not specified | Not specified | Rarely used |
Typical Usage % by Product Type
| Product Type | Typical % |
|---|
| Specialty Cosmetics (rare) | 0.1–2% |
References
- CosIng Database — PERFLUOROOCTYLETHYL TRISILOXANE. https://ec.europa.eu/growth/tools-databases/cosing/
- ECHA (2023) — PFAS restriction. https://echa.europa.eu/
- EWG Skin Deep. https://www.ewg.org/skindeep/