The ingredient, explained
Lactoperoxidase
A small crossover trial tested a lactoperoxidase-containing tablet.
Ingredient guide
What it is and what it does
Peroxidase
About this ingredient: EU CosIng ingredient registry (via Open Beauty Facts taxonomy) ↗
- Stabilising
- Helps maintain the stability of ingredients or the finished formula.
Function definitions: European Commission ingredient function definitions (SCCNFP/0299/00, pages 16 to 20) ↗
Registry functions describe possible formulation roles, not results for a finished product. A dictionary entry is not an approval or a safety assessment.
A closer look
What the research shows
Human oral care research
Selected oral-malodor compounds decreased with the combination.
What this does not tell us
Acute oral effects and co-actives do not establish isolated enzyme or skin benefit.
Sources for this summary. PubMed 20512389 ↗
Research review checked Oct 1, 2026
Read exact local candidate abstracts first; select identity-relevant papers; targeted primary PubMed/publisher searches. This is not an exhaustive systematic review.
Ingredient research is not proof that a product containing this ingredient works.
Read the 1 selected study
Human oral care research · n=15
Effects of a composition containing lactoferrin and lactoperoxidase on oral malodor and salivary bacteria: a randomized, double-blind, crossover, placebo-controlled clinical trial. ↗
Clinical oral investigations · 2011
Follow the formula
Products containing this ingredient
From the wider catalogue. Linked by the ingredient list, without an efficacy ranking.
Names and identifiers
Registry identity
Peroxidase
- INCI name on ingredient lists
- LACTOPEROXIDASE
- CAS registry number
- 9003-99-0
- EC number
- 232-668-6
Sources for this ingredient record
- EU CosIng ingredient registry (via Open Beauty Facts taxonomy) ↗ · ODbL 1.0 (Open Beauty Facts database) · Recorded Aug 8, 2026