Ergothioneine

Ergothioneine is an antioxidant ingredient. It’s in 12 products on Poliage, most often serum, moisturizer and eye cream. Avoid lists on Poliage that include it: none.

Updated October 21, 2026

What it does

Contains Ergothioneine: antioxidant
Function listed in CosIng

Source: CosIng, the European Commission cosmetic ingredient database, ref 56156, accessed October 22, 2026.

Products that contain Ergothioneine

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