Piel

Benzoyl Peroxide

INCI name: Benzoyl Peroxide

Benzoyl Peroxide is classed in the EU CosIng database as oxidising. Piel groups it with benzoyl peroxide.

What it does

How Piel groups it

Piel's knowledge base files Benzoyl Peroxide under:

Piel's note

An antibacterial ingredient long used for breakouts. It bleaches fabric, so towels and pillowcases in contact with it commonly discolour.

Pairs to be careful with

Piel's routine check flags Benzoyl Peroxide next to:

Found in 161 products in Piel's catalogue.

EU regulation

Benzoyl Peroxide is listed in the EU Cosmetics Regulation, annex entry III/94. The entry sets conditions of use; read it on CosIng.

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Identifiers

INCI name
Benzoyl Peroxide
CAS number
94-36-0
EC number
202-327-6
CosIng reference
41528

Data from Piel's records, September 19, 2026