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A sodium salt of erythorbic acid, which is an isomer of ascorbic acid (Vitamin C). It functions as an antioxidant to prevent oxidation and maintain product integrity.
Beneficial for
Safety summary
Generally considered safe for cosmetic use.
CAS Number
6381-77-7
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.