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.

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Benzoic Acid

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.

PreservativeVegan

BenefitNone 0 / 4

RiskModerate 1.5 / 4

Irritation i2 / 4

Risk of short-term irritation — stinging, burning, dryness, redness, or discomfort. Common for strong actives, acids, retinoids, fragrances, and harsh surfactants.

Sensitization i1.5 / 4

Risk of allergic contact dermatitis or immune-based reactions. Fragrance allergens, preservatives, botanicals, and some dyes may score here.

Eye irritation i1 / 4

Whether it may sting or irritate around the eyes. Relevant for sunscreens, fragrances, acids, surfactants, and volatile ingredients.

Systemic exposure i0.5 / 4

Whether it has meaningful potential to be absorbed into the body at levels that may matter biologically. Most cosmetic ingredients score low unless there is known concern or high exposure.

Rated by SpottyLabs' ingredient methodology, independent of brands.

Things to watch

Potential for skin irritation
May cause allergic reactions in sensitive individuals

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Products with Benzoic Acid

CeraVe

Blemish Control Cleanser

4.7/ 59/16/2

CeraVe

Feuchtigkeitsspendende Gesichtscreme mit LSF 30

4.7/ 514/18/4

CeraVe

Invisible Hydrating Sunscreen

4.6/ 513/12/5

CeraVe

Hydrating Foaming Oil Cleanser

4.5/ 59/21/3

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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.