Phenoxyethanol
CAS Number: 122-99-6
Phenoxyethanol is one of the most widely used cosmetic preservatives worldwide, offering broad-spectrum antimicrobial activity against bacteria, yeasts, and molds. It is used across pH ranges and is stable in a wide variety of formulations. Phenoxyethanol is often positioned as a paraben-free preservation option and is frequently combined with ethylhexylglycerin or caprylyl glycol to boost efficacy.
Technical Specifications
| appearance | Clear colorless to slightly yellow liquid |
| purity (%) | ≥99 |
| refractive index | 1.536–1.538 |
| pH (neutral aqueous solution) | 6.5–7.5 |
Applications
- Skin care moisturizers and serums
- Hair care products
- Baby care formulations
- Makeup and color cosmetics
- Cleansing products and micellar waters
Key Features
- Broad-spectrum antimicrobial against bacteria and fungi
- Paraben-free preservation positioning
- Stable across wide pH and temperature range
- Effective in combination with glycol-based boosters