Chalk Rebels

Chalk Rebels is a Belgian brand founded by passionate climbers Francis Dierick and Tianyi Gu. They create eco-friendly, seawater-based chalk and skincare products designed to enhance grip and reduce environmental impact. Their range includes liquid chalk, powder chalk, and balms, all formulated with Upsalite® for superior friction. Committed to sustainability, Chalk Rebels plants a tree for every product sold and donates 1% of revenue to environmental causes.