Rate My SPF

E-Ascorbic Acid

What E-Ascorbic Acid is & what it does

E-Ascorbic Acid is a form of vitamin C used as a cosmetic active. Like other ascorbic acid forms it is included in serums and sunscreens as an antioxidant that helps protect the skin surface from free radical stress and can support a brighter-looking complexion. A notable property of ascorbic acid is that it is water-soluble and sensitive to air and light, so it is often stabilized in the formula.

What does E-Ascorbic Acid do in skincare?

E-Ascorbic Acid is a form of vitamin C used as an antioxidant active. In serums and sunscreens it helps defend the skin surface against free radical stress and can support a brighter-looking complexion. Like other ascorbic acid forms, it is water-soluble and often stabilized because it is sensitive to air and light.

Is E-Ascorbic Acid safe?

E-Ascorbic Acid, as a vitamin C ingredient, is widely used in skincare and is generally well tolerated. Higher-strength vitamin C can feel tingly on very sensitive skin, so a patch test can help. If you have specific concerns, check with a qualified professional.

Is E-Ascorbic Acid vegan?

Ascorbic acid used in cosmetics is typically produced synthetically or from plant sources such as corn, so the ingredient itself is not animal-derived. Whether a finished product is vegan depends on its other ingredients and the brand's practices.

Sunscreens with E-Ascorbic Acid

We rate 9 sunscreens that contain it:

← All ingredients