Ingredient glossary
Willow Bark Extract
INCI: Salix Alba Bark Extract · Also: Salix Nigra Bark Extract
A reasonable supporting ingredient. It helps a formula without being the star.
What it does
- exfoliation
- anti acne
- anti inflammatory
emerging evidenceCosmetic science reports and in vitro tests show salicin conversion to salicylic acid comparable antibacterial and turnover effects with lower irritation though robust head to head clinical trials versus salicylic acid are limited.
On a label: usually effective at 0.5-4%.
Who it's for, and who should skip it
Tends to suit
- oily
- combo
- acne prone
- congested
Approach with care
- salicylate allergy
- very sensitive
- compromised barrier
- Clogs poresLow
- Irritation riskModerate
- pH-dependentIts effect depends on the product's pH
Pregnancy: Check with your doctor before using during pregnancy or breastfeeding.
Plays well with
- niacinamide
- centella
- humectants
This, for every label you own
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Educational information about a cosmetic ingredient, not medical advice.