Ergothioneine
INCI · Ergothioneine · also EGT, L-Ergothioneine
Overview
A sulphur-containing amino acid derivative concentrated in certain mushrooms, which the body takes up through a dedicated transporter. In formulas it acts as a stable antioxidant, often paired with vitamin C or E to spread the workload.
Who it's for
Antioxidant serums aimed at dullness and environmental stress, on most skin types.
Cautions
Human topical evidence is still thin compared with the laboratory data, and it is an expensive raw material often used at token levels.
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What does Ergothioneine do in skincare?
A sulphur-containing amino acid derivative concentrated in certain mushrooms, which the body takes up through a dedicated transporter. In formulas it acts as a stable antioxidant, often paired with vitamin C or E to spread the workload.
Is Ergothioneine considered safe for skin?
Human topical evidence is still thin compared with the laboratory data, and it is an expensive raw material often used at token levels.