Phenoxypropanediol
Also known as: Phenoxypropanediol (multi-functional)
INCI: Phenoxypropanediol | Function: Preservative | Type: Glycol / Preservative alternative
What Is Phenoxypropanediol?
Phenoxypropanediol (苯氧基丙二醇) 是一种多功能化妆品成分, 兼具保湿、溶剂和防腐增效三重功能。常用于 paraben-free 防腐体系中增强 phenoxyethanol 和 organic acids 的抗菌效果。同时提供良好的保湿肤感。
Key Skin Benefits
- + Multi-functional: humectant + solvent + preservative booster
- + Skin moisturizing — propanediol backbone provides hydration
- + Enhances preservative efficacy
Pros
- + Triple function reduces formulation complexity
- + Good skin feel
- + Synergistic with phenoxyethanol
Cons
- − Synthetic — not suitable for natural certifications
- − May cause mild irritation at very high concentrations
- − Relatively new — less long-term data
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 | 0-1/5 |
| Comedogenic Rating | 0/5 |
| EWG Score | 2/10 |
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 % |
|---|
| Moisturizer / lotion | 1–5% |
| Serum | 2–5% |
| Toner / essence | 1–3% |
References
- EU CosIng Database. https://ec.europa.eu/growth/tools-databases/cosing/
- EWG Skin Deep. https://www.ewg.org/skindeep/
- SpecialChem — Cosmetic database. https://cosmetics.specialchem.com/