Hydroxy Tetramethylpiperidine Oxide
A cosmetic ingredient used as antioxidant in skincare, haircare, and personal-care products sold in the European Union.
What is it?
1-Oxyl-2,2,6,6-tetramethyl-4-hydroxypiperidine; 1-Piperidinyloxy, 4-hydroxy-2,2,6,6-tetramethyl-; 1-λ1-Oxidanyl-2,2,6,6-tetramethylpiperidin-4-ol2,2,6,6-tetramethylpiperidine-1,4-diol; 4-Hydroxy-2,2,6,6-tetramethyl-piperidinooxy; 4-Hydroxy-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical; 4-Hydroxy-2,2,6,6-tetramethylpiperidinoxy; 4-Hydroxy-2,2,6,6-tetramethylpiperidinoxyl; 4-HYDROXY-2,2,6,6-TETRAMETHYLPIPERIDINOXYL-; 4-Hydroxy-TEMPO; HTMPO; Hydroxy Tempo
What does it do?
Hydroxy Tetramethylpiperidine Oxide is listed in the EU cosmetic ingredient inventory with the following declared functions:
-
Antioxidant
neutralises free radicals to slow oxidative damage to the formulation or skin
EU regulatory status
Hydroxy Tetramethylpiperidine Oxide is allowed for use in cosmetic products in the European Union under Regulation 1223/2009. It is not subject to a specific Annex restriction at the time of writing.
Frequently asked questions
What is Hydroxy Tetramethylpiperidine Oxide?
Hydroxy Tetramethylpiperidine Oxide is a cosmetic ingredient catalogued in the EU CosIng database. 1-Oxyl-2,2,6,6-tetramethyl-4-hydroxypiperidine; 1-Piperidinyloxy, 4-hydroxy-2,2,6,6-tetramethyl-; 1-λ1-Oxidanyl-2,2,6,6-tetramethylpiperidin-4-ol2,2,6,6-tetramethylpiperidine-1,4-diol; 4-Hydroxy-2,2,6,6-tetramethyl-piperidinooxy; 4-Hydroxy-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical; 4-Hydroxy-2,2,6,6-tetramethylpiperidinoxy; 4-Hydroxy-2,2,6,6-tetramethylpiperidinoxyl; 4-HYDROXY-2,2,6,6-TETRAMETHYLPIPERIDINOXYL-; 4-Hydroxy-TEMPO; HTMPO; Hydroxy Tempo
Is Hydroxy Tetramethylpiperidine Oxide allowed in cosmetics in the EU?
Yes. Hydroxy Tetramethylpiperidine Oxide is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Hydroxy Tetramethylpiperidine Oxide do in cosmetic products?
Hydroxy Tetramethylpiperidine Oxide is declared in the EU cosmetic ingredient inventory with these functions: antioxidant.
What is the CAS number of Hydroxy Tetramethylpiperidine Oxide?
The CAS (Chemical Abstracts Service) number for Hydroxy Tetramethylpiperidine Oxide is 2226-96-2.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 15/04/2019