1-HYDROXY-4-METHYL-6-(2,4,4-TRIMETHYLPENTYL)-2 PYRIDON, PIROCTONE OLAMINE is graded C (Moderate) by Expert·ING, based on EU COSING Annex V regulatory data. It is restricted under EU COSING (Restricted use).

1-HYDROXY-4-METHYL-6-(2,4,4-TRIMETHYLPENTYL)-2 PYRIDON, PIROCTONE OLAMINE

1-Hydroxy-4-methyl-6-(2,4,4-trimethylpentyl)-2 pyridon and its monoethanolamine salt

Safety grade: C

This preservative is permitted in EU cosmetics with a maximum concentration limit and usage restrictions under EU Cosmetics Regulation (EC) No 1223/2009. To be sold legally in the EU or UK, a product must meet these conditions.

Graded using: EU COSING Annex V.

Last verified: June 9, 2026