A 10-year study indicates that treated surfaces turn yellow more severely than untreated plastic parts — retrobrighting does more harm than good to consoles

https://www.tomshardware.com/video-games/retro-gaming/a-10-year-study-indicates-that-treated-surfaces-turn-yellow-more-severely-than-untreated-plastic-parts-retrobrighting-does-more-harm-than-good-to-consoles