What it does
May help reduce shine and the appearance of blemishes.
Blemish-care actives
Sulphur.
Used in treatments for oily skin and blemishes, often in masks or targeted applications.
- INCI name
- Sulfur
- Function
- A keratolytic and antimicrobial ingredient in specific products.
- Information level
- Established but use-dependent evidence
- Last reviewed
- 22 September 2026
Who may benefit
Oily skin or skin with occasional lesions, as directed.
Compatibility
Moisturisers and barrier-supporting ingredients.
Precautions
May dry or irritate skin and has a characteristic smell; do not indiscriminately combine with other intensive treatments.
How to use it
According to the product, often in targeted applications.
Concentrations
The percentage cannot be inferred from INCI order. WAI LAB shows it only when stated by a verifiable source.
HOW TO READ IT
What it means in the INCI list?
In the European Union, ingredients above 1% are listed in descending order by weight; below 1%, they may appear in any order. Their position therefore cannot be used to calculate an exact percentage.
Its position helps you understand the formula, but does not on its own establish effectiveness or an exact percentage.
SOURCES
Where the information comes from.
WAI LAB distinguishes cosmetic function, regulatory context and scientific literature. This information is not a substitute for medical advice.
FROM UNDERSTANDING TO CHOOSING
Products with Sulphur.
1 catalogue products list a recognised form of this ingredient in their INCI.
1 resultsVerified profiles with declared concentrations appear first.
