Phenoxyethanol
A broad-spectrum preservative used in cosmetics and personal care products to protect against microbial contamination, extending the shelf life of formulations.
Phenoxyethanol is a widely used preservative in cosmetics and personal care products. It is effective in preventing microbial contamination by inhibiting the growth of bacteria, yeast, and mold. It is a relatively mild preservative, making it suitable for sensitive skin formulations.
Phenoxyethanol is often used in combination with other preservatives to provide enhanced protection across a broad spectrum of microorganisms. It is commonly found in a variety of skincare products, including lotions, creams, shampoos, and serums.
It is also a solvent and can help improve the overall texture and spreadability of formulations. Although effective in small concentrations, it should be used in accordance with recommended levels to avoid irritation.
FEATURES
- Broad-spectrum preservative – protects against bacteria, yeast, and mold growth.
- Gentle on skin – suitable for sensitive skin formulations.
- Solvent properties – helps to improve the texture and spreadability of formulations.
- Effective in low concentrations – typically used at 0.5–1.0% in finished products.
- Stable in a wide pH range – effective in formulations with a pH of 4.0–8.0.
BEST FOR
- Lotions and creams
- Shampoos and conditioners
- Facial cleansers
- Serums and emulsions
- Body care products
- Hair care products
FORMULATION GUIDELINES
| INCI | Phenoxyethanol |
|---|---|
| Type | Preservative (broad-spectrum) |
| Solubility | Water soluble |
| Use Rate | 0.5–1.0% typical, depending on formulation and product type. |
| Best Phase | Cool-down phase (below 40°C) or in water phase of emulsions. |
| pH Compatibility | Works effectively in formulations with a pH of 4.0–8.0. |
| Temperature Tolerance | Stable under normal processing conditions. Avoid adding to formulations over 40°C to maintain full efficacy. |
| Pro Tip | If using phenoxyethanol in products with higher oil content, consider pairing it with other preservatives or stabilizers to enhance its effectiveness. Ensure even distribution throughout the formulation for consistent preservation. |
| Appearance | Clear, colorless to pale yellow liquid |
| Stability Notes | Phenoxyethanol is stable across a wide range of pH levels and temperatures, but storage in airtight containers is recommended to maintain its potency over time. |
| Storage | Store in a cool, dry place, away from light and moisture, in a tightly sealed container. |
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