Ergothioneine: The Complete Guide

Ergothioneine is a powerful, cell-protective antioxidant increasingly valued in advanced skincare. This guide explains what it is.

What is ergothioneine?

Ergothioneine is a naturally occurring amino acid — originally identified in mushrooms — that the body concentrates in tissues exposed to stress. In skincare it’s used as a master antioxidant, helping protect cells and even recycle other antioxidants so they last longer.

What does it do for skin?

• Deep antioxidant defence — helps protect cells from oxidative stress.
• Supports other antioxidants — extends the defence a formula provides.

Where we use it

Ergothioneine is used in Under Eye Rejuvenator and Anti-Aging Super Serum for advanced antioxidant support. See the Ingredient Glossary.

Frequently asked questions

What is ergothioneine good for?

It’s a high-performance antioxidant that helps protect skin cells from oxidative stress and supports other antioxidants.

Is it gentle?

Yes, it’s well tolerated and suits daily use in balanced formulas.