Toda Epsom Salt is a pure magnesium sulfate product intended for external use only. This 100g package provides therapeutic benefits through its natural mineral content, commonly used for soothing sore muscles, reducing inflammation, and as a relaxing bath additive. As this is a personal care/therapeutic product, it should only be used externally as directed. The 100g size makes it convenient for single or multiple uses. Epsom salt can be dissolved in warm water for soaking baths, foot baths, or compresses. Always consult usage instructions and discontinue use if irritation occurs.