Globuzzskin / Glossary
Ingredient Glossary

What's actually in your skincare

Twenty years of reading ingredient labels, boiled down to plain English. Pick a category below, or take the quiz and let Julie match ingredients to your skin directly.

Acids

Glycolic, lactic, salicylic, azelaic, mandelic & tranexamic — exfoliation explained.

Ceramides

The lipids that rebuild your skin barrier and stop moisture loss.

Peptides

Matrixyl, Argireline, copper peptides — the science behind anti-aging that isn't hype.

Retinols

Every strength from 0.025% to 1%, plus bakuchiol and retinal.

Vitamins

Vitamin C, E, B3 and A — which vitamin actually does what.

Hydrators

Hyaluronic acid, glycerin, squalane, cica — hydration vs. moisture, explained.

Deep dives

Niacinamide

Percentages, the vitamin C myth debunked, and how to actually use it.

Vitamin C

L-ascorbic acid vs. derivatives, storage, and why your serum might already be degraded.

Hyaluronic Acid

The one habit most people skip — and why skipping it backfires.

Sunscreen: Chemical vs Mineral

Which one you'll actually wear, and why retinol users can't skip this.

Want ingredients matched to your actual skin, not just explained?

Take Julie's free 2-minute skin quiz →