“L-ascorbic acid is the purest and most potent form of vitamin C. It’s a powerful antioxidant that helps protect the skin from environmental damage by neutralizing free radicals,” explains ...

Skin oxidation can impair physiological functions and induce skin diseases, such as photoaging and cancer. L-ascorbic acid (L-AA), or vitamin C, is commonly used in cosmetics because it is a potent ...

Of all the vitamin-C options, our experts generally recommend looking for serums that contain ascorbic acid, also known as L-ascorbic acid, which is the most active and purest form of vitamin C.

SkinCeuticals Vitamin C E Ferulic Serum All of our experts recommend Skinceuticals CE Ferulic, a serum containing 15% L-ascorbic acid. It’s often referred to as the gold standard in vitamin C ...

it’s important to choose a product that contains a stable form of vitamin C, such as L-ascorbic acid or ascorbyl palmitate. These forms of vitamin C are more effective and have a longer shelf ...

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Vitamin C is a crucial antioxidant in skincare ... stable formulations like magnesium ascorbyl phosphate or L-ascorbic acid. Products should ideally have a concentration between 10-20% for ...

The popularity of vitamin C in the skincare industry is widely recognised. Its ability to protect, brighten and revitalise ...

With 30 per cent pure L-ascorbic acid, The Inkey List’s vitamin C serum is pretty powerful stuff, despite it’s bargain price point. In fact, we’re still trying to work out how it’s so ...

Containing a high-strength, oil-solubilised vitamin C derivative that can be used in higher concentrations than pure L-ascorbic acid without drawbacks, it’s combined with vitamin F (fatty acids ...

The formula features ascorbyl glucoside, a highly stable vitamin C derivative that transforms into active L-ascorbic acid upon contact with your skin, delivering a potent dose of antioxidants.