Risks of using fuel injector cleaner?

Complete Fuel System Cleaner

Fuel Injector Cleaner: Top 5 Best Fuel Injector Cleaners 2023

STP 12 Ounce Fuel Injector Cleaner 17108

Fuel Injector Cleaner. Anyone use this stuff? : r/WRX

CRC Diesel Fuel Therapy Plus Conditioner - 1 qt jug

CRC Diesel Fuel Therapy Injector Cleaner w/Anti-Gel 30 Fl Oz

Super Tech Fuel Injector Cleaner, 6 fl. oz. is a super concentrated, premium fuel injector cleaner formulated to help clean fuel injectors. Super Tech Fuel Injector Cleaner can reduce emissions caused by dirty injectors and restore lost engine efficiency. Contains no alcohol and will not harm oxygen sensors or catalytic converters. Super Tech Fuel Injector Clean treats up to 21 gallons.

Super Tech Fuel Injector Cleaner - 6 fl oz

Super Concentrated Fuel Injector Cleaner

Berryman® Fuel Injector Cleaner & Upper Cylinder Lubricant Concentrate