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

Pimples on the bum are a common issue that affects many people. Although pimples on the buttocks are not as visible as pimples on the face, they can be just as annoying and uncomfortable. Find out here what causes pimples and what you can do about them.

07 May 2025

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