Is 1-Piperidinyloxy, 4-hydroxy-2,2,6,6-tetramethyl- vegan?

Hydroxy Tetramethylpiperidine Oxide is also known as 1-Piperidinyloxy, 4-hydroxy-2,2,6,6-tetramethyl-.

Hydroxy Tetramethylpiperidine Oxide, commonly known as TEMPO or 4-Hydroxy-TEMPO, is a stable synthetic aminoxyl (nitroxide) radical compound used as a chemical reagent and, in cosmetics, as an antioxidant or stabilizing agent.

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