Ingredient guide
EUK-134 (Manganese Complex, Dual SOD + Catalase Mimetic Antioxidant)
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.
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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.
When to use it
Mornings suit it best.
Where it sits
Serums sit after toner and before moisturiser. Thinnest to thickest, water before oil.
- Cleanse
- Tone
- EUK-134
- Moisturise
- SPF
Also found as
Related
Where to find it
Options across the range, not a ranking. Run one through Lens and MIRU will tell you if it fits you.
The Ordinary EUK 134 0.1%
Allies of Skin Molecular Saviour Probiotics Treatment Mist
Fit comes first: the Lens checks each product against your skin before any retailer link. We may earn a commission, at no cost to you. Picks are editorial, never paid.
Common questions
What does EUK‑134 do for skin?
It provides strong antioxidant support, helping reduce the look of environmental stress and visible redness.
Is EUK‑134 suitable for sensitive skin?
Yes, it is often used in formulas meant for reactive or easily flushed skin, though it can be potent and should be introduced gradually.
How is EUK‑134 used in skincare?
You’ll find it in antioxidant serums and creams designed to support comfort and environmental protection.
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Personal guidance, not medical advice.