Ingredient comparison

Glycolic acid vs Mandelic Acid: which one is right for your skin?

Short answer: Both earn their place. Mandelic Acid is the kinder pick if your skin reacts easily, otherwise it comes down to preference.

Chemical structure of Glycolic acid (Glycolic Acid)Glycolic acidWorth paying for
Chemical structure of Mandelic Acid (Mandelic Acid)Mandelic AcidSolid and proven
9
Efficacy
8
2
Hydration
2
0
Barrier
1
4
Brightening
6
4
Acne
7
7
Anti-aging
5
Glycolic acid versus Mandelic Acid, compared
ComparedGlycolic acidMandelic Acid
PotencySimilarSimilar
Evidencestrong evidencemoderate evidence
Irritation riskHighLow
Clogs poresLowLow
In pregnancyAsk your doctorAsk your doctor
pH-dependentNeeds the right pHNeeds the right pH
On a labelNot usually disclosedworks best above 5%

So which should you pick?

Choose Glycolic acid if

  • fine lines and firmness are your main goal
  • you want the pick with the most research behind it

Choose Mandelic Acid if

  • you are dealing with breakouts and congestion
  • dark spots, dullness or an uneven tone are what you want to work on
  • your skin is sensitive or reacts easily

The honest bottom line: Both earn their place. Mandelic Acid is the kinder pick if your skin reacts easily, otherwise it comes down to preference.

Better for your concern

  • Dark spots and uneven toneMandelic Acid
  • Fine lines and firmnessGlycolic acid
  • Breakouts and congestionMandelic Acid
  • Sensitive, reactive skinMandelic Acid

Based on their scores in the knowledge base. "Either" means both hold their own for that goal.

Glycolic acid vs Mandelic Acid, answered

Which is stronger, Glycolic acid or Mandelic Acid?

They are close in strength: Glycolic acid and Mandelic Acid score similarly on efficacy. Choose by skin type rather than power.

Is Glycolic acid or Mandelic Acid better for sensitive skin?

Mandelic Acid is the gentler choice for sensitive, reactive skin (low irritation risk, versus high for Glycolic acid).

Can you use Glycolic acid and Mandelic Acid together?

They have a known interaction. See our can-you-mix page for the verdict and how to use them.

General guidance, not medical advice. Read the full pages on Glycolic acid and Mandelic Acid.