This version of Salt of the Earth Classic crystal deodorant comes in a cardboard box, offering an eco-friendly alternative to plastic packaging. Ideal for those seeking to minimize their plastic consumption, this natural crystal deodorant is conveniently shaped for easy handling—simply remove it from its box and use. Just be sure to thoroughly dry the crystal before returning it to the box! Crystal deodorants work by creating an invisible layer of mineral salt on the skin, effectively inhibiting the growth of odour-causing bacteria. Ingredients: Potassium Alum Crystal