Stumped by a crossword?

Stumped by a crossword? - ASSEENONTV
Print ad phrase for infomercial products … or, parsed differently, a description of 17-, 25-, 35- or 50-Across

1. Clue for 17-Across: Kitchen gadget touted for making slicing and dicing easier
2. Clue for 25-Across: Piece of exercise equipment marketed for its ability to tone abs
3. Clue for 35-Across: Cleaning solution that promises to remove even the toughest stains
4. Clue for 50-Across: Hair styling tool that claims to create salon-quality curls at home