SEM Trim or Rust Tough to paint for a bumper?

I got my car detailed a couple weeks ago and now my black trim has greyed. Please help me restore it! : r/Detailing

Anybody know the best way to restore the plastic on the bumper. : r/CherokeeXJ

JEGS 72020: Black High Temp. Resistant Paint - JEGS

SEM 17013, Classic Coat, Midnight Black, Ford, Code ZUEA

Bumper Coater™ Aerosols

Omega Bumper & Trim Black Spray Paint 400g - AA-BTB400G - Auto Paints

Omega Bumper & Trim Black Spray Paint 400g - AA-BTB400G - Auto Paints

PlastiKote 615 Chrome Bumper Paint – House of 1000 Kolors

White, Rust-Oleum Professional High Performance Gloss Enamel Spray Paint-7592838, 15 oz

SEM Trim Black vs Trim Black Euro Jet Satin vs EZ Coat - Ford Truck Enthusiasts Forums