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Ingredient library / Benzoic Acid
Preservative ingredient

Benzoic Acid

An aromatic acid used as a cosmetic preservative and pH adjuster, effective in acidic formulas; the free-acid form of sodium benzoate.

Also known as: benzenecarboxylic acid

preservativeph-adjuster

Benefits

  • ✓Broad-spectrum antimicrobial preservation
  • ✓Effective in acidic formulas

Watch for

  • ⚠Can cause non-immunologic contact urticaria (flushing/stinging) in some individuals, especially in products for infants
  • ⚠CIR and SCCS deem safe up to 2.5% rinse-off and 0.5% leave-on; manufacturers advised caution in infant products
At a glance
CategoryPreservative
IrritancyModerate–high
Beginner-friendlyYes
In your routine

Generally well-tolerated and easy to layer.

Found in 11 products
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Products with Benzoic Acid

White Lucent Gel CreamMoisturizer
Shiseido
White Lucent Gel Cream
White Lucent Overnight Cream & MaskMoisturizer
Shiseido
White Lucent Overnight Cream & Mask
White Lucent Brightening Gel CreamMoisturizer
Shiseido
White Lucent Brightening Gel Cream
Hydro-Clarifying LotionToner
Clé de Peau Beauté
Hydro-Clarifying Lotion
La CrèmeMoisturizer
Clé de Peau Beauté
La Crème
Intensive Moisturizing LotionLotion
CeraVe
Intensive Moisturizing Lotion