Benzoic acid is a common organic acid found naturally in many plants and fruits. In cosmetics, it primarily functions as a preservative, preventing the growth of bacteria, yeasts, and molds to keep products safe and effective. It also has some fragrance properties.
NonePreservativeEvidence: High
BenefitNone 0 / 4
RiskModerate 1.5 / 4
Irritation
Sensitization
Eye irritation
Systemic exposure
Rated by SpottyLabs' ingredient methodology, independent of brands.
Things to watch
Potential for skin irritation
May cause allergic reactions in sensitive individuals
Spot questionable ingredients in seconds
SpottyLabs scans any skincare product and rates every ingredient for benefit, risk and safety. Free and independent — no brand is paying us.
App coming soon
Frequently asked questions
What is benzoic acid used for in skincare?
Benzoic acid is primarily used as a preservative in skincare products. It helps to inhibit the growth of harmful microorganisms like bacteria, yeasts, and molds, extending the product's shelf life and ensuring its safety.
Is benzoic acid safe for sensitive skin?
While generally safe, benzoic acid can cause irritation or allergic reactions in individuals with sensitive skin, especially at higher concentrations. Patch testing is advisable if you have known sensitivities.
Spotty Labs