Ingredient Library

What each ingredient actually does, where it comes from, and whether the vegan version holds up. Plain-English science — no fear-mongering, no miracle claims.

All Ingredients

Curious about an ingredient we have not covered?

Reader requests decide what we research next. Tell us what is on your label and we will decode it.

Request an Ingredient Guide

The Weekly Glow-Up

One email a week: what we tested, what surprised us, and the one product actually worth your money. No spam, no fluff.