That's a whole debate in itself. We did a LOT of research around this & the answer to the question "Do I need chalk?" is: "It depends". The two major factors im

That's a whole debate in itself. We did a LOT of research around this & the answer to the question "Do I need chalk?" is: "It depends". The two major factors impacting friction are: Do I sweat a lot? Do I have greasy skin? Then the four categories of climbers are: 1) high sweat, oily skin (use liquid chalk as a base layer & top up with chalk powder) 2) high sweat, dry skin (magnesium carbonate / silica will help you) 3) low sweat, oily skin (the alcohol in liquid chalk will help you) 4) low sweat, dry skin (you lucky SOB!) My impression is that most climbers can switch to liquid chalk except for category 1.