Antioxidant

Tannic Acid

AntioxidantSebum / Acne

INCI: Tannic Acid

In short · TL;DR

Category

Antioxidant

Effect

A hydrolyzable tannin containing many gallic acid units. Used for antioxidation, astringency, and sebum-condition adjustment

Concentration

Trace loading considering astringency and irritancy (conditional, formulation-dependent)

Effect

A hydrolyzable tannin containing many gallic acid units. Used for antioxidation, astringency, and sebum-condition adjustment

Mechanism

Reported to show strong radical scavenging and protein-astringent action through its numerous phenolic hydroxyl groups

Typical concentration

Trace loading considering astringency and irritancy (conditional, formulation-dependent)

Onset

Astringent sensation is relatively quick; antioxidant conditioning takes around several weeks as a guide

Cautions

Possible tightness and irritation at high concentration. Prone to discoloration with metals

Evidence & references

https://pubchem.ncbi.nlm.nih.gov/compound/16129778

This page is reference information and does not guarantee efficacy. Figures vary by test conditions (in vitro / manufacturer / concentration). It does not indicate pharmaceutical efficacy.

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