The Tide to go works very well while on the go to remove smudges from clothing until it can be washed. It also works "okay" for bathroom grout cleaning. If you choose to utilize the Tide on the go for grout, as you push down it will run, so becareful if you don't want spots on your dark clothing.
How effective is Tide go?
According to Tide, 72 percent of stains that people experience on the go are the result of food and drink, and that's what the pen was designed to attack. It works best on stains like ketchup, coffee, and wine; less so on protein stains like blood or grass.
Does Tide to go work on old stains?
Yes, the Tide to Go Pens release stain-fighting chemicals to help fight the stain quickly. It is advised to follow up with other stain-fighting methods once you get home if there are any lingering stains. I used the Tide stick on a small amount of coffee on a cotton shirt with white background.