Formic Acid
Formic acid is a naturally occurring organic acid, found in insect venoms and some plants. In cosmetics, it is primarily used in small amounts to adjust the pH of a product, ensuring it is stable and effective. It can also act as a preservative.
NonePH adjusterEvidence: Medium
RiskModerate 1.5 / 4
Irritation i1.5 / 4
Risk of short-term irritation — stinging, burning, dryness, redness, or discomfort. Common for strong actives, acids, retinoids, fragrances, and harsh surfactants.
Rated by SpottyLabs' ingredient methodology, independent of brands.
Things to watch
- Can be irritating or corrosive in high concentrations
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