TPO

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Trimethylbenzoyl diphenylphosphine oxide (TPO) is a high-efficiency organic photoinitiator used in UV-curable systems. Its primary role in cosmetics—particularly in UV nail gels—is to initiate free-radical polymerization when exposed to ultraviolet (UV-A) light, allowing rapid, even curing of formulations. TPO is also widely used in coatings,...

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Component typeChemical

Main substancesNot available

Last update2025-09-04 16:03

Chemical Risk

Irritant
Health hazard

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