BIS-(DIETHYLAMINOHYDROXYBENZOYL BENZOYL) PIPERAZINE (NANO) is graded B (Low Concern) by Expert·ING, based on EU COSING Annex VI regulatory data. It is restricted under EU COSING (Restricted use).

BIS-(DIETHYLAMINOHYDROXYBENZOYL BENZOYL) PIPERAZINE (NANO)

1,1'-(1,4-piperazinediyl)bis[1-[2-[4-(diethylamino)-2-hydroxybenzoyl]phenyl]-methanone

Safety grade: B

This UV filter (sunscreen agent) is permitted in EU cosmetics up to a maximum concentration under EU Cosmetics Regulation (EC) No 1223/2009. To be sold legally in the EU or UK, a product must stay within this limit.

Graded using: EU COSING Annex VI.

• EU COSING — Restricted use

Last verified: June 9, 2026