Hydroxy Tetramethylpiperidine Oxide
AKA “Tanol, 4-Oxypiperidol, TMPN, HyTEMPO, Nitroxyl 2, 6-tetramethylpiperidine 1-oxyl, MBM-02”
Synthetic
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Ingredient Facts
Hydroxy tetramethylpiperidine oxide
AKA: Tanol, 4-Oxypiperidol, TMPN, HyTEMPO, Nitroxyl 2, 6-tetramethylpiperidine 1-oxyl, MBM-02
Synthetic · Antioxidant | Anti-Aging | Skin Protecting · EWG: 4
Plant-Derived
Antioxidant
Anti-Aging
Barrier Support
Synthetic
Clean
A powerful antioxidant that protects skin from environmental damage and free radicals, helping maintain a youthful, radiant complexion.
Formula
C9H18NO2
Mol. Weight
172.24
CAS #
2226-96-2
Form
Powder
Plant-Derived
Synthetic. Synthesized from piperidine, a six-membered nitrogen-containing heterocyclic compound derived from petroleum-based feedstocks. Produced through oxidation and methylation reactions to introduce hydroxyl and methyl groups onto the piperidine ring structure.
Function
Antioxidant | Anti-Aging | Skin Protecting
Benefits
Antioxidant Protection
Neutralizes Free Radicals
Traditional Use
A modern synthetic antioxidant developed in the late 20th century specifically for cosmetic preservation and anti-aging formulations, with no traditional historical use.
Skin Types
all-skin-types
Best For
Target
General
Melanin-Rich Skin
Suitable
Pregnancy Safe
Caution
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR