Phenoxyethanol
Phenoxyethanol is a synthetic preservative commonly used in skincare, cosmetics, and personal care products. Its main job is to prevent the growth of bacteria, mould, and yeast, helping to keep products safe and stable over time.
It’s a clear, oily liquid with a mild rose-like scent, and it belongs to a class of chemicals called glycol ethers. In nature, a tiny amount can also be found in green tea, but the version used in cosmetics is lab-made for purity and consistency.
It is a safe, effective, and modern preservative that helps your skincare stay free from harmful microbes. It’s used in tiny amounts and is far less irritating than many older alternatives. Without it (or another preservative), your products would spoil quickly – and potentially grow harmful bacteria.
💡What it Does in Skincare
- Preserves products: Stops bacteria and fungi from growing, especially in water-based products like creams, lotions, and serums.
- Extends shelf life: Ensures your product stays safe and effective long after opening.
- Stabilises formulas: Helps maintain the texture, consistency, and performance of a product.
It’s often used in combination with other preservatives like ethylhexylglycerin to boost effectiveness without needing stronger, more irritating chemicals.
🧬Safety & Toxicology
- Generally considered safe in concentrations up to 1%, which is the limit set by the European Union and many global regulators.
- Widely studied and used in pharmaceuticals, vaccines, and baby products.
- Some individuals with very sensitive skin may experience mild irritation, but this is rare and usually related to higher concentrations or damaged skin barriers.
- At high doses (well above cosmetic levels), phenoxyethanol can be toxic if ingested or used inappropriately — but this is not a risk in regulated skincare.