Placeholder: how to read a UV index
A placeholder entry. The real post will explain what the UV index actually measures, and why cloud cover changes it less than people assume.
Journal
Notes on photoaging, formulation, and prevention. Short, sourced, and only when there is something to say.
Placeholder: the forearm experiment
A placeholder entry. The real post will walk through the oldest natural experiment in photoaging — the skin you show the sun versus the skin you don't.