Phenolphthalein
Also known as: Phenolphthalein (pH indicator)
INCI: Phenolphthalein | Function: Banned substance (indicator dye) | Type: Banned substance (indicator dye)
What Is Phenolphthalein?
Phenolphthalein 是一种 pH 指示剂, 历史上曾作为泻药使用, 但因致癌性 (IARC Group 2B) 已被全球多国撤市。EU CosIng Annex II 中列为禁用物质。无合法化妆品用途。
Key Skin Benefits
- + None — banned substance
Pros
- + None — banned substance
Cons
- − BANNED — IARC Group 1/2B carcinogen
- − Severe toxicity risk
- − No safe use in cosmetics
Specifications
| Property | Value |
|---|
| Usage Areas | N/A |
| Product Type | N/A |
| Source | Synthetic |
| Natural Level | Synthetic |
Safety Ratings
| Metric | Rating |
|---|
| Skin Sensitivity | BANNED |
| Comedogenic Rating | N/A |
| EWG Score | 10/10 (BANNED) |
Regional Regulatory Limits
| Region | Leave-on % | Rinse-off % | Status |
|---|
| EU (CosIng) | BANNED | BANNED | Prohibited — Annex II |
| US (CIR/FDA) | BANNED | BANNED | Not permitted in cosmetics |
| Japan (MHLW) | BANNED | BANNED | Prohibited |
| ASEAN | BANNED | BANNED | Prohibited |
| China (NMPA) | BANNED | BANNED | Prohibited |
Typical Usage % by Product Type
| Product Type | Typical % |
|---|
| Not used in cosmetics | N/A — banned |
References
- EU CosIng Database. https://ec.europa.eu/growth/tools-databases/cosing/
- IARC Monographs. https://monographs.iarc.who.int/
- FDA — Withdrawn products. https://www.fda.gov/