Ingredient glossary
Malic Acid
On your shelf ✓What Malic Acid does for your skin, who it suits, and what to watch for.
INCI: Malic Acid
In short: Malic Acid delivers exfoliation, suits most skin types, and the evidence behind it is limited. One thing to know: clear it with your doctor if pregnant; introduce it gently.
- What it does
- Exfoliation
- Best for
- Most skin types
- Watch out
- Clear it with your doctor if pregnant; introduce it gently
- Evidence
- Limited
The molecule
The Glow take
Nice to have, and nothing to overthink.
Malic Acid plays a quiet supporting role, rounding out a formula rather than being the reason you buy it.
— Maya
What it does
- exfoliation
weak evidenceMost of the data for malic acid come from its role in blends and peels; it is considered milder than glycolic but with less independent clinical evidence.
Who it's for, and who should skip it
Tends to suit
- normal
- oily
- combo
Approach with care
- very sensitive
- compromised barrier
- Clogs poresLow
- Irritation riskModerate
- pH-dependentIts effect depends on the product's pH
How it fits each skin type
- DrySuits
- CombinationSuits
- OilySuits
- SensitiveTake care
Take extra care if any of these apply to you: compromised barrier.
Where it fits in your routine
Increases sun sensitivity while you are using it, so sunscreen matters more than usual.
An alpha hydroxy acid used at exfoliating levels in leave-on acid blends, working by the same stratum-corneum thinning as glycolic and lactic acid, so FDA's class-wide AHA labeling recommendation covers it. Malic acid itself was not among the acids tested in the studies FDA cites.
US FDA guidance for industry, labeling for cosmetics containing alpha hydroxy acids (2005)
Plays well with
- other ahas
Malic Acid, answered
Is Malic Acid safe during pregnancy?
Clear it with your doctor first. Malic Acid is flagged as use-with-caution during pregnancy and breastfeeding, so check with your doctor or midwife before adding it.
Who should avoid Malic Acid?
Approach Malic Acid with care if any of these apply to you: very sensitive and compromised barrier. Its irritation risk is moderate, so introduce it slowly and patch test first.
What concentration of Malic Acid actually works?
Its concentration is rarely printed on the label, so use the ingredient list as your clue: near the top third it is likely doing real work, near the bottom it is more of a sprinkle.
During pregnancy
Treat Malic Acid as a maybe rather than a yes for now. It is flagged as one to use with caution while pregnant or breastfeeding, so it is worth clearing before you carry on.
When in doubt, check with your doctor or midwife. They outrank any website, including this one.When it is worth booking →
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