Ingredient glossary

Mandelic Acid

INCI: Mandelic Acid

Solid and proven

A genuinely useful ingredient with real evidence behind it, not hype.

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What it does

  • exfoliation
  • brightening
  • anti acne

moderate evidenceClinical and review data show mandelic acid improves acne, hyperpigmentation and texture with fewer irritation reports than glycolic acid at similar strengths.

On a label: works best above 5%.

Who it's for, and who should skip it

Tends to suit

  • oily
  • acne prone
  • combo
  • sensitive

Approach with care

  • very sensitive
  • compromised barrier
  • Clogs poresLow
  • Irritation riskLow
  • pH-dependentIts effect depends on the product's pH

Pregnancy: Check with your doctor before using during pregnancy or breastfeeding.

Plays well with

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Educational information about a cosmetic ingredient, not medical advice.