Antioxidant and Preservative

Phenoxyethanol is a widely used, clear, viscous liquid chemical preservative.
  • Purpose: It is used in cosmetics and personal care products to kill bacteria, yeast, and mold, thus preventing products from spoiling or losing their effectiveness.
  • Where it is found: You will find it in creams, lotions, shampoos, makeup, and baby wipes (often listed as "paraben-free" or "alcohol-free").
  • Key Features: It is considered a "nature-identical" or gentle alternative to parabens. It is often used in combination with other ingredients like Ethylhexylglycerin to increase efficiency.
  • Safety: It is generally safe in concentrations up to 1%.
    BHT stands for Butylated Hydroxytoluene. It is a synthetic antioxidant.
    • Purpose: While Phenoxyethanol kills germs, BHT protects products from oxidation (reaction with oxygen/air). It stops oils and fats from becoming rancid, maintaining the product's color and texture.
    • Where it is found: It is found in lipsticks, creams, sunscreens, and also in packaged food items (like cereals) to keep them fresh.
    • Key Features: It is a fat-soluble antioxidant that protects active ingredients, such as vitamins, within a product.
    • Safety: While approved for use in small amounts, BHT is more controversial than phenoxyethanol, with some studies suggesting potential endocrine-disrupting effects with high, long-term exposure.

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