Brighten and protect your skin with a unique serum | The face serum Cocunat The Real C 20 offers intensive care thanks to the 20% concentration of pure vitamin C, which strengthens the skin's antioxidant protection. It is precisely this vitamin that is considered one of the best anti-aging remedies - but it must be in its purest form, namely ascorbic acid. This is very unstable and oxidizes upon contact with oxygen, losing its effectiveness within a few hours. Here's why Cocunat has developed AIRLESS TECHNOLOGY™ technology which encapsulates the formula in an oxygen-free atmosphere and in a single-dose capsule.