Topic

Evidence

Every story filed under this topic, newest first.

A woman in a white robe and hair towel sitting on a couch with a cup

Wellness

Sleep Is The Only Free Skincare That Actually Works

The evidence for sleep restriction changing how skin looks and heals is better than the evidence behind most of the shelf. It is also the hardest thing to sell.

Aug 10, 2026

3 min read

A hand holding an orange SPF 50 bottle against a clear blue sky, sun cream streaked on the forearm

Skincare

Sunscreen Is The Only Anti-Ageing Product With A Straight Answer

Every other claim in the category is a probability. This one has a randomised trial behind it, and the argument now is only about how you get people to wear it.

Aug 6, 2026

3 min read