Formulated at the precise concentration proven to deliver maximum amounts of vitamin C to the skin, Serum 20 AOX+ is designed to restore and protect healthy looking skin. This lightweight and fast-absorbing serum neutralizes free radicals, defends against environmental damage, and helps prevent the appearance of accelerated aging.
- Helps reduce the appearance of fine lines and wrinkles, neutralizes free radicals, and defends against environmental damage
- Using Duke-patented vitamin C technology, this serum delivers the highest level of L-ascorbic acid that can be absorbed by the skin
- Once absorbed, this serum can’t be washed or rubbed off. It remains effective for a minimum of 72 hours, making it an excellent addition to sunscreen.
L-ascorbic acid has a reservoir effect, which means it can’t be washed off or rubbed off for a minimum of 72 hours.
The addition of ferulic acid enhances the antioxidant performance of vitamin C.
In the morning after cleansing, apply 4-5 drops to a dry face, neck and chest.
Key Ingredient 1
20% L-ascorbic acid (vitamin C): Neutralizes damaging free radicals and protects skin’s breakdown from oxidative stress.
Key Ingredient 2
0.2% Ferulic acid: This plant-based antioxidant neutralizes free radicals, inhibits UV-induced skin discolorations, and has anti-inflammatory properties.