This product is a white powder with starch, alum, zinc oxide, and salicylic acid as the main ingredients. These are also commonly used ingredients in cosmetics and are safe shoe deodorant powders. [Feel the effect from the first use] This product is a full-fledged shoe deodorant that is gentle on shoes and feet. You can feel the effect of shoe deodorization and foot deodorization from the first use. After more than 3 days of continuous use, you can clearly feel the effect. If the odor is particularly strong, it is recommended to use it continuously for at least 7 days. [No talcum powder] We do not use talcum powder, which poses a risk to health. We use cornstarch instead of talcum powder. All ingredients in this product are ingredients that can also be used in cosmetics. 【Easy to use】Sprinkle 1~2g on the inside of the shoe, shake the shoe lightly to spread the powder all over. You can put on your shoes immediately after use. Keeping the inside of the shoe dry ensures that it is comfortable to wear. Also, by spraying this product on your shoes at the change of seasons and then putting it in your shoe box, you can prevent the unpleasant smell of the shoe box. 【Deodorizing effect lasts longer】The effect will last longer by using it continuously for more than 7 days. [Fragrance-free] This product eliminates the odor of shoes through the power of thorough disinfection, not fragrance.