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Ascorbyl Phosphate Magnesium & Ascorbyl Phosphate Sodium

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What is it?  Ascorbyl Magnesium Phosphate (L-Ascorbic acid mono-dihydrogen phosphate magnesium salt) and Ascorbyl Phosphate Sodium are stable forms of Vitamin C, an important antioxidant. Vitamin C is used by cells to supply necessary electrons to enzymatic and non-enzymatic reactions. Forms of Vitamin C provide electrons to oxidizing agents (free radicals) that would otherwise steal valence electrons from surrounding, creating a chain reaction that could damage cell organelles and vital cell processes. 
 Why use it? APM and APS do not readily dissolve in water, so it is more stable and can be more effective when used in a skincare product. AMP also requires a lower percentage than Ascorbic acid in order to be effective, as shown by the graph below. After 2 and 6 hours, the amount of available ascorbyl in the skin was elevated after administration of APS. 
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This aspect of this ingredient makes it the perfect Vitamin C alternative for those with sensitive skin. 
APS and APM help reduce sun damage. When skin was treated 20 mM APS and exposed to UV radiation, lipid peroxidation (caused by UV radiation), the skin showed no signs of raditation after 2 hours. 
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 What products contain it? The following Elaine Sterling Skincare products contain Ascorbyl Magnesium Phosphate. 

Power Rescue 

Information cited from:

Showa Denko Europe GmbH Konrad-Z
Konrad-Zuse-Platz 4
D-81829 Munich, Germany

 

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