Isoascorbic Acid

1% line markerAI-analyzed

INCI: ERYTHORBIC ACID

antioxidantpreservativereducing agent

What it does

A stereoisomer of ascorbic acid (Vitamin C), primarily used as an antioxidant and preservative to prevent oxidation in cosmetic products.

Beneficial for

agingsun damagedullnesshyperpigmentationdark spotsuneven tone

Safety summary

Generally considered safe for cosmetic use.

CAS Number

89-65-6

1% line marker

This ingredient is commonly used as a marker to identify where ingredients drop below 1% concentration on the label.

For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.