Ingredient glossary
Sulfur
INCI: Sulfur · Also: Precipitated Sulfur
Solid and proven
Does Sulfur clash with what you already use? Check it →A genuinely useful ingredient with real evidence behind it, not hype.
What it does
- anti acne
- keratolytic
- antimicrobial
moderate evidenceHistorical and modern data support three to ten percent sulfur in acne and seborrheic dermatitis with clear lesion reductions though high quality contemporary RCTs are fewer than for newer agents.
On a label: usually effective at 3-10%.
Who it's for, and who should skip it
Tends to suit
- oily
- acne prone
- seborrheic dermatitis
Approach with care
- very sensitive
- dry
- compromised barrier
- Clogs poresModerate
- Irritation riskModerate
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.