Ingredient comparison
Lactic 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.
| Compared | Lactic acid | Mandelic Acid |
|---|---|---|
| Potency | Similar | Similar |
| Evidence | moderate evidence | moderate evidence |
| Irritation risk | Moderate | Low |
| Clogs pores | Low | Low |
| In pregnancy | Ask your doctor | Ask your doctor |
| pH-dependent | Needs the right pH | Needs the right pH |
| On a label | Not usually disclosed | works best above 5% |
So which should you pick?
Choose Lactic acid if
- plump, dewy hydration is what you are after
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
- Breakouts and congestionMandelic Acid
- Dryness and dehydrationLactic acid
- Sensitive, reactive skinMandelic Acid
Based on their scores in the knowledge base. "Either" means both hold their own for that goal.
Lactic acid vs Mandelic Acid, answered
Which is stronger, Lactic acid or Mandelic Acid?
They are close in strength: Lactic acid and Mandelic Acid score similarly on efficacy. Choose by skin type rather than power.
Is Lactic acid or Mandelic Acid better for sensitive skin?
Mandelic Acid is the gentler choice for sensitive, reactive skin (low irritation risk, versus moderate for Lactic acid).
Can you use Lactic 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 Lactic acid and Mandelic Acid.