Cosmetic ingredient

SODIUM ASCORBATE

Sodium ascorbate, listed as SODIUM ASCORBATE, is the sodium salt of ascorbic acid, the compound associated with vitamin C. The name means that ascorbate is paired with sodium; it is not pure ascorbic acid, although both belong to the same chemical family.

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CAS number
134-03-2
EC number
205-126-1
Chemical name
Sodium ascorbate

SODIUM ASCORBATE: what it is

Sodium ascorbate, listed as SODIUM ASCORBATE, is the sodium salt of ascorbic acid, the compound associated with vitamin C. The name means that ascorbate is paired with sodium; it is not pure ascorbic acid, although both belong to the same chemical family.

The distinction matters on a label because ascorbic acid and sodium ascorbate are not the same form of the substance. Sodium is part of this salt's identity, but the name alone does not reveal the raw material used or the amount present in a product.

SODIUM ASCORBATE: what it does in cosmetics

As an antioxidant, sodium ascorbate can help limit oxygen-driven reactions within the formula itself. This can help preserve sensitive components and reduce unwanted changes in scent, colour, or quality during storage; it does not by itself establish an antioxidant effect on the skin.

The name is connected with vitamin C, but that link does not support claims of brightening, collagen stimulation, or skin treatment. Findings obtained with ascorbic acid, other derivatives, supplements, or combined active ingredients do not automatically show the same performance for sodium ascorbate in a topical cosmetic.

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