Snapshot
- Overview
- An acid used to balance pH and gently refine skin texture.
- Category
- Skin Conditioning
- Type
- pH Adjuster
Fumaric Acid
Fumaric acid is an organic dicarboxylic acid that occurs in nature and is manufactured for cosmetic applications. It's used to adjust acidity and as an acid component in exfoliating formats, with performance varying by concentration, pH, and the overall system.
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Our take
Is Fumaric Acid a Good Ingredient?
It's Fair because its exfoliating effect depends strongly on concentration and pH, and it's simply less documented than more common AHAs and BHAs. At lower pH or higher levels it can sting or irritate, especially on compromised skin, which keeps the rating in check.
What it does
Skin Benefits
Can help refine texture and improve clarity when used at an effective pH, though results depend on the overall formula.
Where you'll find it
Uses in Skincare & Cosmetics
Found in exfoliating gels, cleansers, and peel solutions, either blended with other acids or to fine-tune product acidity.
Before you use it
Safety
May cause tingling, dryness, or irritation, particularly at low pH or when overused. Avoid applying to broken or freshly shaved skin, introduce it gradually, and patch test if you're sensitive.
Products with Fumaric Acid
