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Ingredient guide
ETHYLBISIMINOMETHYLGUAIACOL MANGANESE CHLORIDE
In short
EUK‑134 is a lab‑made manganese complex that mimics key antioxidant enzymes. It helps neutralize reactive molecules that can contribute to visible redness and stress on the skin.
Reviewed against published evidence · editorially independent · no brand pays for placement
Works for
Barrier · Redness
Skin type
Sensitive · Combination
Best used
Morning
What it is
Synthetic salen-manganese complex (Eukarion); mimics both superoxide dismutase and catalase activity; outstanding free radical neutralization; used in premium antioxidant formulations for reactive skin.
Also found as
Related
Where to find it
The Ordinary EUK 134 0.1%
Allies of Skin Molecular Saviour Probiotics Treatment Mist
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Common questions
It provides strong antioxidant support, helping reduce the look of environmental stress and visible redness.
Yes, it is often used in formulas meant for reactive or easily flushed skin, though it can be potent and should be introduced gradually.
You’ll find it in antioxidant serums and creams designed to support comfort and environmental protection.
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Personal guidance only · For clinical concerns, see a dermatologist.