Secret Stuff® is an isopropyl alcohol-based liquid chalk. 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
Formula Options
Original (45% isopropyl alcohol), Gel-based (alcohol-free), Hygienic (80% ethyl alcohol)
Application
Rub on hands, let dry for 10 seconds
Grip Duration
Lasts longer than regular chalk
Packaging
Fully recyclable
Made in
Colorado, USA
Summarized by Shop
4.7
122 ratings
5
4
3
2
1
Great stuff!
Once it “sets up” it works better than regular chalk and not as messy!
J
John · June 17, 2025
Been sandbagging my self all this time
Helped me get my first double double outside, kept me from greasing off a tricky arete.
N
Nicholas · April 21, 2025
Baby powder as chalk
Why is this so much worse than the powder ones? Somewhat slippery. So expensive. Would not recommend.