ClearedSyntheticcleaning agentantimicrobial

Hydrogen Peroxide (3%)

hydrogen peroxide · h2o2 · 3% hydrogen peroxide

Effective disinfectant that breaks down into water and oxygen — no toxic residues. EPA-registered as a disinfectant. Safe for surfaces, wound care, and oral health at 3% concentration.

high confidence
Researched April 18, 2026
  • Higher concentrations (>3%) are corrosive and dangerous
  • Can bleach fabrics at full strength
  • Degrades quickly with light exposure — store in opaque container
  • Not effective on highly porous surfaces
naturally sourced
First aid antisepticSurface disinfectantTeeth whiteningMold treatment

Research disclaimer: This rating is based on available peer-reviewed research and regulatory assessments at the time of publication. It is not medical advice. Consult a qualified professional for personal health or skin concerns.

Check another ingredient

Search our database of scored cosmetic, food, and household ingredients — or scan a full product label.

Open the Ingredient Lab

Embed this verdict

LabelCleared verdict badge: Hydrogen Peroxide (3%) — Cleared
<a href="https://labelcleared.com/lab/hydrogen-peroxide-3pct"><img src="https://labelcleared.com/embed/hydrogen-peroxide-3pct/badge.svg" alt="LabelCleared verdict badge: Hydrogen Peroxide (3%) — Cleared" height="34"></a>