Skip to content

Antimicrobial

BENZOYL PEROXIDE

CAS 94-36-0 Updated
35

Safety score · 0–100

Caution

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

A peroxide acne medicine — effective against acne bacteria but strongly irritating, sensitising and a fabric bleach. EU treats it as a regulated active rather than a general cosmetic ingredient.

Function

OXIDISING

Skin benefits

  • Effective acne treatment
  • Antibacterial against C. acnes
  • OTC drug status in many countries

Known concerns

  • Self-reactive explosive (GHS H241/H242)
  • Strong skin/eye irritant
  • Sensitizer (H317)
  • Very toxic to aquatic life (H400/H410)
  • Bleaches fabric and hair

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

Related antimicrobials

35
ACETAMINOSALOL
Antimicrobial
 35
CLOTRIMAZOLE
Antimicrobial
 35
ISOPROPYLCARBONATE BENZOYL PEROXIDE
Antimicrobial
 35
QUATERNIUM-24
Antimicrobial
 35
SILVER BENZOATE
Antimicrobial
 35
SODIUM USNATE
Antimicrobial
 35
UREA PEROXIDE
Antimicrobial
 38
AZADIRACHTA INDICA BARK/SEED EXTRACT
Antimicrobial

Check your shelf

Find BENZOYL PEROXIDE in your products.

Scan any cosmetic product with LuxSense to see if it contains BENZOYL PEROXIDE and get a full ingredient breakdown with safety scores.

This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.