What is Sodium Ascorbyl Phosphate?

Sodium Ascorbyl Phosphate is a stable, water-soluble form of Vitamin C that functions as an antioxidant and converts to active Vitamin C in the skin.

What are the benefits of Sodium Ascorbyl Phosphate for skin?

It helps protect skin from environmental damage, brightens skin tone, supports collagen synthesis, and can help reduce the appearance of blemishes.

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Sodium Ascorbyl Phosphate

Sodium Ascorbyl Phosphate is a stable, water-soluble derivative of Vitamin C. It acts as an antioxidant, helping to protect the skin from environmental damage. It is known for its ability to convert to ascorbic acid in the skin, offering benefits like brightening and supporting collagen production, often with less irritation than pure ascorbic acid.

Vitamin cAntioxidantVeganEvidence: High

BenefitGood 2.8 / 4

Pigmentation

Acne

Anti aging

Texture

RiskLow 0.5 / 4

Irritation

Rated by SpottyLabs' ingredient methodology, independent of brands.

What it helps with

antioxidant protection
brightens skin tone
supports collagen production
reduces blemish appearance

Things to watch

potential for mild irritation

Pairs well with

Vitamin C — Other forms of Vitamin C can provide synergistic antioxidant benefits.
Sunscreen Filter — Antioxidants enhance the protective effects of sunscreen against UV damage.

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Products with Sodium Ascorbyl Phosphate

Silk Hydration Ultra‑Light After Sun Lotion (Coconut & Papaya)

Score 3.9 / 5

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Frequently asked questions

What is Sodium Ascorbyl Phosphate?: Sodium Ascorbyl Phosphate is a stable, water-soluble form of Vitamin C that functions as an antioxidant and converts to active Vitamin C in the skin.
What are the benefits of Sodium Ascorbyl Phosphate for skin?: It helps protect skin from environmental damage, brightens skin tone, supports collagen synthesis, and can help reduce the appearance of blemishes.