PROTOCATECHUICALDEHYDE is graded A (Safe) by Expert·ING, based on COSING regulatory data.
PROTOCATECHUICALDEHYDE
Protocatechualdehyde
Safety grade: A
Protocatechualdehyde is a plant-derived compound found in foods like coffee and fruits that acts as a powerful antioxidant. It helps protect skin from damage caused by free radicals and environmental stress.
This ingredient protects skin from oxidative damage, helps reduce the appearance of dark spots and discoloration, and improves overall skin condition and resilience.
Graded using: COSING.
Last verified: May 26, 2026
Other Antioxidant ingredients
- TOCOPHEROL — Grade A
- TOCOPHERYL ACETATE — Grade A
- BHT — Grade C**
- ASCORBYL PALMITATE — Grade A
- HYDROXYACETOPHENONE — Grade A
- PENTAERYTHRITYL TETRA-DI-T-BUTYL HYDROXYHYDROCINNAMATE — Grade A
- ASCORBIC ACID — Grade A
- CAMELLIA SINENSIS LEAF EXTRACT — Grade A