Magnesium bath flakes, or bath salts, are a form of topical magnesium, a method of mineral application designed to deliver magnesium by the skin for rapid absorption. Ancient Minerals bath flakes are the dry flakes of magnesium chloride and other naturally-occurring trace minerals in a convenient and economical form for utilization in baths and foot soaks. Some individuals with sensitive skin may prefer this method of application to the more concentrated Ancient Minerals Magnesium Gel or Magnesium Oil. Ancient Minerals Bath Flakes are the mildest application in our line of topical magnesium products. Great for children and those with sensitive skin. Unmatched benefit of an immersive, full body bath or convenient foot soak. Perfect for a post-workout bath. Maintain a relaxed body and mind, magnesium flakes are effective for stress relief and relaxation.