Ethylbisiminomethylguaiacol manganese chloride is a manganese chelate complex commonly called EUK-134. It's used for antioxidant-mimetic activity, though topical evidence is limited and performance depends on compatible, well-stabilized formulas.
A manganese compound included for its antioxidant-like activity.
Category
Antioxidant
Type
Antioxidant
Ingredient Ratings
Overall Rating
Fair
Comedogenic Risk
None
Skin Benefits
May help defend skin against free-radical damage and support a calmer look after environmental exposure. Human evidence is limited and real-world results can depend heavily on the overall formula.
Uses In Skincare & Cosmetics
Included in antioxidant-focused serums and moisturizers, and occasionally in eye creams or after-sun gels. Also seen in treatment essences aimed at environmental stress care.
Comedogenic Rating
This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.
Safety
Usually well tolerated with low irritation potential. No well-established cosmetic regulatory restrictions; avoid pairing with strong acids or oxidants that may degrade the molecule (a performance issue).
Is Ethylbisiminomethylguaiacol Manganese Chloride a Good Ingredient?
Fair rating: shows antioxidant activity in vitro, but human evidence is limited and performance is highly formulation- and stability-dependent. This uncertainty reduces reliability of results despite theoretical benefits.
Products with Ethylbisiminomethylguaiacol Manganese Chloride