FrictionLabs Secret Stuff Liquid Chalk

Made in the USA. Secret Stuff® is an isopropyl alcohol-based liquid chalk. A revolutionary grip cream that is the perfect compliment to overgrips. Rub a small amount on your hands, let dry, and a perfect layer of the highest purity magnesium carbonate magically appears—and lasts. With less dust and mess, it’s the perfect "clean" alternative to loose chalk. Plus, Secret Stuff goes further than regular chalk—it also cleans your hands, getting rid of gunk and grime that can build up while you’re working up a sweat.

Alcohol Free Secret Stuff is: Best for sensitive skin

Original is:  Best for: Hot and humid conditions

Hygienic: Provides unparalleled grip and reduces the spread of germs