Researched by Helena DeMaria-Williams
Formula IngredientPreservativeINCI: Benzyl Alcohol
Benzyl alcohol is an aromatic alcohol that occurs naturally in fruits (cranberries, apricots), teas, and essential oils. In cosmetics it is primarily used as a preservative at concentrations up to 1%, preventing microbial growth and extending product shelf life. It also functions as a fragrance component and solvent. It is one of the 26 EU-listed allergens that must be declared on product labels when present above specified thresholds.
Category
Preservative
Irritation Risk
Medium
Skin Types
most skin types, normal, oily, combination
preservation, antimicrobial activity, solvent, fragrance component
At typical cosmetic concentrations (up to 1%) benzyl alcohol is generally well tolerated. However, it is listed under EU CosIng Annex III (entry 45, restricted to 1% in finished products) and Annex V (entry 34, as a preservative up to 1%). It is also one of the 26 EU-regulated fragrance allergens and must be declared on labels above 0.001% in leave-on products or 0.01% in rinse-off products. In high concentrations it can cause irritation and contact dermatitis.
Benzyl alcohol does not increase photosensitivity. No sun protection precautions are required.
Benzyl alcohol is generally considered safe at typical cosmetic concentrations (up to 1%) during pregnancy. However, concentrated or pharmaceutical-grade benzyl alcohol has been associated with toxicity in neonates ('gasping syndrome') when administered intravenously. Normal topical cosmetic use at regulated concentrations is not expected to pose risk, but some practitioners recommend caution.
Benzyl alcohol is an aromatic alcohol that occurs naturally in fruits (cranberries, apricots), teas, and essential oils. In cosmetics it is primarily used as a preservative at concentrations up to 1%, preventing microbial growth and extending product shelf life. It also functions as a fragrance component and solvent. It is one of the 26 EU-listed allergens that must be declared on product labels when present above specified thresholds.
Individuals with known sensitivity to benzyl alcohol, very sensitive or reactive skin, eczema (patch test recommended) should review the considerations above before use.