Ingredient glossary
Lactobionic Acid
INCI: Lactobionic Acid · Also: PHA
Solid and proven
Does Lactobionic Acid clash with what you already use? Check it →A genuinely useful ingredient with real evidence behind it, not hype.
What it does
- exfoliation
- hydration
- barrier support
- antioxidant
moderate evidenceData indicate lactobionic acid is more hydrating and may offer stronger antioxidant and barrier benefits than gluconolactone, with very low irritation.
On a label: works best above 4%.
Who it's for, and who should skip it
Tends to suit
- dry
- sensitive
- all
Approach with care
No specific group flagged to avoid it.
- Clogs poresLow
- Irritation riskLow
- pH-dependentIts effect depends on the product's pH
Plays well with
- humectants
- ceramides
- antioxidants
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Educational information about a cosmetic ingredient, not medical advice.