Researched by Helena DeMaria-Williams
Formula IngredientPreservativeINCI: Phenethyl Alcohol
Phenethyl alcohol (2-phenylethanol) is an aromatic alcohol that occurs naturally in essential oils such as rose, neroli, and geranium. In cosmetics it serves a dual role: it masks the unpleasant odour of other ingredients with its pleasant rose-like scent, and it provides antimicrobial activity that boosts the efficacy of traditional preservative systems.
Category
Preservative
Irritation Risk
Low
Skin Types
all skin types, oily, dry, combination, normal
preservative booster, fragrance masking, antimicrobial activity
EWG hazard score of 1 (lowest risk). Generally well tolerated at typical cosmetic concentrations (under 1%). At higher concentrations it can cause mild skin and eye irritation. Not restricted under EU CosIng Annex II or III for cosmetic use, though it is regulated as a fragrance allergen component in some jurisdictions.
Phenethyl alcohol does not increase photosensitivity. No additional sun protection measures are required when using products containing this ingredient.
MANUAL REVIEW: Limited specific pregnancy safety data available. CIR rated it as B (safe with qualifications). As a fragrance/preservative ingredient used at low concentrations it is generally considered low risk, but no dedicated reproductive toxicity studies specific to cosmetic use were identified across sources. Consult a healthcare provider if concerned.
Phenethyl alcohol (2-phenylethanol) is an aromatic alcohol that occurs naturally in essential oils such as rose, neroli, and geranium. In cosmetics it serves a dual role: it masks the unpleasant odour of other ingredients with its pleasant rose-like scent, and it provides antimicrobial activity that boosts the efficacy of traditional preservative systems.
Individuals with fragrance sensitivity, very sensitive skin, known allergy to aromatic alcohols should review the considerations above before use.
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