Ascorbyl glucoside

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Ingredient information

  • INCI name: ASCORBYL GLUCOSIDE
  • CAS number : 129499-78-1
  • Function: Antioxidant (Inhibits reactions favored by oxygen, thus avoiding oxidation and rancidity).
  • Stable form of vitamin C that easily penetrates the skin.
  • Lightening properties enhanced by niacinamide.
  • Organic-compatible (COSMOS Reference).


Description of ascorbyl glucoside

Ascorbyl glucoside is a stable derivative of vitamin C combined with glucose, a sugar. In order to perform its functions, it must be hydrolyzed by cellular alpha-glucosidase to release ascorbic acid.


When properly formulated and absorbed into the skin, it breaks down into ascorbic acid, also known as pure vitamin C. Once absorbed, its breakdown into vitamin C is gradual, creating what is known as a reservoir effect in the skin. This leads to longer-lasting benefits.


Ascorbyl glucoside is widely compatible with other cosmetic ingredients. Unlike the narrow pH range that ascorbic acid requires to be effective on the skin, ascorbyl glucoside works between a pH of 5 and 8, with the lower end of this spectrum considered better because it closely matches the skin’s normal pH range.

INCI Beauty rating: Green


The ingredients in this dictionary are evaluated based on validated and peer-reviewed scientific research. Our main source is the French application INCI Beauty, which itself relies on European cosmetics regulations and various scientific reference bodies.


Regulations regarding usage constraints, authorized concentration levels and availability vary by country and region. This ingredient dictionary is for informational purpose only and is not meant to replace official sources. Its original content is in French, which is then translated into English. Although we strive to always provide you with correct and up-to-date information, if you have any doubts about an ingredient, we recommend that you consult the official sources of your country regarding cosmetic regulations.


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