EUK 134 0.1% — Reddit Reviews
by The Ordinary
Updated November 10, 2026
0.1% Ethylbisiminomethylguaiacol Manganese Chloride supports antioxidant defense and post-exposure redness; subtle…
What the community says
A minimalist 0.1% Ethylbisiminomethylguaiacol Manganese Chloride antioxidant in propanediol targets prevention and post-exposure redness, not dramatic overnight changes. It fits a low-step antioxidant routine, though oily skin may see extra shine and the payoff can look subtle.
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Based on limited Reddit discussion so far
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Full ingredient list · 2
The Ordinary EUK 134 0.1% ingredients
Propanediol, Ethylbisiminomethylguaiacol Manganese Chloride
Listed in label order, highest concentration first.
Real Reddit threads — 9 mentions across 4 threads
The Ordinary EUK 134 0.1% on Reddit, in one place — 4 threads from r/30PlusSkinCare, summarized.
“Probably EUK-134 from The Ordinary.”
Positive
“I am very pale and prone to redness when I get any amount of sun contact and this works both pre and post exposure.”
Positive
“very pale and prone to redness”
Positive
“For OTC products I recommend The Ordinary EUK-134 and/or NIOD Modulating Glucosides.”
Mentioned
“Get yourself a tinted SPF 50 and use it every day.”
Mentioned
“A derm might prescribe you azelaic acid”
Mentioned
“you could just get some antioxidants from The Ordinary (EUK/pycogenol/resveratrol)”
Mentioned
“and add a couple drops to protect from free radicals”
Mentioned
“then a lotion or moisturizing sunscreen.”
Mentioned
“a vitamin c serum like the ordinary EUK134 a couple times a week”
Mentioned
“Sleep, reduce inflammation.”
Mentioned
“(Korean) skincare system that does NOT strip barrier”
Mentioned
