Otto Kern Signature Man

Sunscreen is an indispensable product when it comes to protecting the skin from the harmful effects of UV radiation. But how long does sunscreen last? Can it lose its effectiveness? And is it problematic to use sunscreen that has been open for a long time?

21 August 2024

For many people, shaving their legs is part of their regular beauty routine. But what sounds so simple can lead to skin irritation, razor bumps or unsightly cuts. To achieve smooth and well-groomed results, it is important to prepare the skin properly, use suitable products and employ a gentle shaving technique. If you follow these steps, nothing will stand in the way of smooth, silky legs.

28 October 2025

You’ve probably seen the word being used a fair bit: for some time now, parabens have been considered potentially harmful ingredients in skin creams, shampoos and other products. They are suspected of having a hormonal effect. But where do these warnings come from and is the fear of parabens really justified? We investigate and take you on a journey into the world of preservatives.

23 October 2024