Snapshot
- Overview
- A preservative that helps stop mold and yeast from growing.
- Category
- Preservative
- Type
- Preservative
Sorbic Acid
Sorbic Acid is a short-chain, unsaturated fatty acid widely used in foods and cosmetics as a preservative that works best under acidic conditions. It's added to limit growth of yeasts and molds in aqueous formulas and extend shelf stability.
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Our take
Is Sorbic Acid a Good Ingredient?
It rates Good as a well-established preservative effective against yeasts and molds in acidic formulas, though it's weaker against bacteria and typically paired with co-preservatives. Its long history of use supports the rating, tempered by some sting potential in sensitive areas.
What it does
Skin Benefits
It limits spoilage from yeasts and molds, supporting freshness in lower-pH products, and helps maintain product integrity during routine use.
Where you'll find it
Uses in Skincare & Cosmetics
It's commonly included in liquid serums, face mists, gels, and shampoos as part of a broader preservative system.
Before you use it
Safety
It may cause mild skin or eye irritation, particularly at higher levels or low pH. It's most effective below about pH 6, so formulas often adjust acidity accordingly.
Products with Sorbic Acid
