Disodium Ascorbyl Sulfate
What Disodium Ascorbyl Sulfate is & what it does
Disodium Ascorbyl Sulfate is a water-soluble, stabilized derivative of vitamin C in which a sulfate group is added to the ascorbic acid molecule. It is commonly used as an antioxidant and brightening agent intended to be gentler and more stable than pure ascorbic acid. Like other vitamin C derivatives it is generally considered to support a more even-looking complexion, though conversion to active vitamin C in skin varies by derivative. It is typically formulated in water-based serums and lotions.
What is Disodium Ascorbyl Sulfate?
It is a water-soluble, stabilized derivative of vitamin C, made by adding a sulfate group to the ascorbic acid molecule. It is used as an antioxidant and brightening agent.
What does Disodium Ascorbyl Sulfate do in skincare?
It is generally included to support a brighter, more even-looking complexion while being more stable than pure ascorbic acid. It is typically formulated in water-based serums and lotions.
Is Disodium Ascorbyl Sulfate safe?
It is generally considered a gentle, well-tolerated vitamin C derivative. As with any active, sensitive users can introduce it gradually and patch test.
Sunscreens with Disodium Ascorbyl Sulfate
We rate 3 sunscreens that contain it:
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Kose Cosmeport Suncut Prodefense Whitening UV Sunscreen Essence SPF 50+ Pa++++
85/100
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Kose Suncut Mint Green Color Tone Up UV Essence (2025) SPF 50+ Pa++++
80/100
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Kose Suncut Light Up UV Essence SPF 50+ Pa ++++
77/100