The GlowGuide Journal

Skincare, minus the noise

Clear, no-hype guides to skin types, ingredients, concerns, and in-clinic treatments — so you can do a few right things, in the right order.

Ingredients

How to Layer Skincare Actives Without Irritation

Retinol, acids, vitamin C, niacinamide: which to combine and which to keep apart. A simple system for layering actives without wrecking your barrier.