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Ascorbyl Glucoside

What Ascorbyl Glucoside is & what it does

A gentle, stable vitamin C derivative that converts to active vitamin C in the skin, offering antioxidant and brightening benefits. It is well tolerated and resists degradation.

What is Ascorbyl Glucoside and what does it do in sunscreen?

It is a stable vitamin C derivative that acts as an antioxidant, helping the skin defend itself against the everyday free radicals that UV light and pollution generate. The skin gradually converts it into active vitamin C, which is also valued for evening out and brightening the look of the complexion. Pairing it with sunscreen is a natural fit, since antioxidants complement UV filters.

Is Ascorbyl Glucoside the same as vitamin C?

Not exactly. It is a derivative of vitamin C, where a glucose molecule is attached to protect the vitamin from breaking down. The skin then releases active vitamin C from it gradually, so you get vitamin C benefits in a steadier, more stable form than pure ascorbic acid. This makes it gentler and easier to formulate.

Is Ascorbyl Glucoside safe?

Yes. It is a gentle, well-tolerated form of vitamin C that tends to suit sensitive skin better than pure ascorbic acid, which can sting at low pH. It works on the surface and within the upper skin as an antioxidant. It is not a common irritant.

Does Ascorbyl Glucoside clog pores?

No. It is a water-soluble antioxidant, not an oil or wax, so it is considered non-comedogenic and has little potential to block pores. It is used in small amounts for its antioxidant and brightening role. Breakouts from a product are far more likely linked to its oils or emollients.

Is Ascorbyl Glucoside more stable than regular vitamin C?

Yes, that is its main advantage. Pure vitamin C (ascorbic acid) oxidizes and loses potency quickly once exposed to air and light, while the attached glucose shields it until the skin releases it. This makes Ascorbyl Glucoside a more reliable choice in a product like sunscreen that gets repeated sun exposure. It resists degradation well.

Sunscreens with Ascorbyl Glucoside

We rate 199 sunscreens that contain it, showing the top 10 by overall score:

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