Skip to content

Antioxidant

PYRROLOQUINOLINE QUINONE

CAS 72909-34-3 Updated
86

Safety score · 0–100

Good

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

About

PQQ — a naturally occurring redox cofactor and antioxidant that protects skin against oxidative stress and supports mitochondrial function. Low-irritation chemistry with a growing supplement-grade safety record.

Function

ANTIOXIDANTHUMECTANTSKIN CONDITIONINGSKIN PROTECTING

Skin benefits

  • Potent antioxidant / redox cofactor
  • Supports cellular energy metabolism (mitochondrial) in topical context
  • Naturally occurring quinone with low irritation profile

Known concerns

  • No significant concerns at cosmetic concentrations
  • Pure substance is intensely red — may stain at high %
  • Pharmacological activity at very high systemic doses (not relevant topically)

References

EU

EU CosIng database

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

Related antioxidants

86
(EUTERPE OLERACEA/EUTERPE PRECATORIA) FRUIT EXTRACT
Antioxidant
 86
2-O-ETHYL ASCORBIC ACID
Antioxidant
 86
ADANSONIA DIGITATA PULP EXTRACT
Antioxidant
 86
ALOYSIA CITRODORA CALLUS EXTRACT
Antioxidant
 86
ASCORBYL TETRAISOPALMITATE
Antioxidant
 86
ASPERGILLUS/LACTOBACILLUS/CAMELLIA SINENSIS LEAF FERMENT EXTRACT FILTRATE
Antioxidant
 86
BRASSICA OLERACEA BOTRYTIS EXTRACT
Antioxidant
 86
CAFFEOYL HEXAPEPTIDE-56
Antioxidant

Check your shelf

Find PYRROLOQUINOLINE QUINONE in your products.

Scan any cosmetic product with LuxSense to see if it contains PYRROLOQUINOLINE QUINONE 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.