Scientists discover that male and female skin play by different rules

Scientists have uncovered a surprising difference in how male and female skin repairs and renews itself. By tracking individual skin stem cells in living mice for five months, researchers discovered that female cells work together in a highly coordinated way, while male cells operate more independently. This synchronization, driven by sex hormones, helps explain why wounds heal faster in female mice, especially during the first few days.

Scientists discover that male and female skin play by different rules. These differences are regulated by sex hormones and could eventually help scientists develop more personalized treatments for wound healing and skin diseases. The discovery comes from researchers at the Université libre de Bruxelles (ULB), working with scientists at the University of Cambridge.

Their findings suggest that biological sex influences how skin renews and repairs itself, even though the skin is not part of the reproductive system. Historically, much of the research into biological differences between males and females has focused on reproductive organs.