인사이트 포밍 휠 클리너

The purple foam clinging to my rims turned pink exactly where the brake dust was, so I could see precisely where to scrub—and a quick rinse left them looking almost new. Even the stubborn grime around the lug nuts came off with barely any effort on my part.

I was skeptical about the color-changing gimmick, but watching the foam turn purple as it lifted years of baked-on brake dust was honestly satisfying. Rinsed off clean with zero scrubbing, and the wheels look almost new again.

The color change is oddly satisfying to watch—it turns purple exactly where the grime is, so I know I'm hitting every spot. Brake dust that's been baked on for weeks rinses right off with zero scrubbing, and my wheels look almost new again.