Risks of using fuel injector cleaner?

Fuel Injector Cleaner

Do these fuel system treatment things really work? : r/MechanicAdvice

Great fuel injector cleaner! Stp complete fuel system cleaner

CPID

Two 5.25 fl oz bottles of STP Super Concentrated Fuel Injector Cleaner Fuel additive contains concentrated detergents for effective car care Dissolves

STP Super Concentrated Fuel Injector Cleaner, Bottled Injector Cleaner Unclogs Dirty Fuel Injectors, 5.25 Oz, 2 Count

Risks of using fuel injector cleaner?

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STP fuel injector cleaner, safe?