Idea Product Spotlight

Saker Silicone Caulking Tool 3-in-1 Grout Removal Tool Classic Black | Sealant Finishing Scraper with Stainless Steelhead, Seam Repair Kit for Bathroom, Kitchen, Floor, Window and Sink Joints
A silicone-tipped tool with three interchangeable heads for smoothing fresh caulk lines, removing old grout, and finishing sealant seams cleanly -- replacing the common DIY move of smoothing caulk with a wet finger.
Most DIYers just use a finger or a plastic card to smooth caulk and get an uneven line -- a purpose-built multi-tip finishing tool isn't something a first-time caulker would know to search for. 8,400 reviews at 4.2 stars is strong, broad evidence.