Those purple marks on your arms have a name.

Doctors call it solar purpura. After 60, the cushion under the skin of your forearms thins out — so a bump you don't even remember leaves a mark that stays for weeks. It's not clumsiness. It's structural — and it can be improved.

Free skin resilience assessment: 60 seconds, 11 quick questions. Your personal skin profile — and what's really causing the marks.