#Myth

Drinking 8 Glasses of Water Does Almost Nothing for Your Skin: The Hydration Myth Explained

TL;DR: The eight-glasses-a-day rule has no clinical origin; the standard tracing is to a 1945 NRC recommendation that was misquoted for sixty…

The acid-plus-retinoid layering myth: pH math and the night-cycling alternative

TL;DR: The ‘never mix acids and retinoids’ rule originated from skin-cycling logic and from concern that the low pH needed for AHA…