A4 Cosmetics Serum

Whether day cream, eye cream or serum – retinol is an ingredient found in many high-quality skincare products. The active ingredient, which belongs to the important group of A vitamins, makes an important contribution to maintaining the beauty of your skin. We explain what retinol actually is, how retinol works and how you can use it to maximise the benefits for your skin. With this beauty booster, your skin will look radiantly fresh and feel wonderfully soft.

27 June 2024

Originally a purely medical product, azelaic acid has now moved into the world of cosmetics. As an all-rounder in any beauty routine, it tackles many skin problems and has numerous benefits. Battling with inflammation, redness or impurities? Azelaic acid could be the missing piece of the puzzle in your daily skincare routine. You’ll find out what exactly is behind this beauty wonder weapon and what you need to know about it in this article.

19 February 2024

Ceramides are used in lots of different cosmetic and skincare products and are a popular active ingredient when it comes to keeping the skin soft and smooth. These ingredients support the natural regeneration of the skin and can improve the skin’s defences against harmful external influences. But how do ceramides work exactly, where do they come from, and how can you use them to improve your complexion?

09 January 2023