Transdermal Magnesium Chloride Bath Soak Turn Bath Time Into Me Time Create a relaxing addition to your self-care routine with our Magnesium Soak. Made with transdermal magnesium chloride, this easy-to-use soak is designed for those who enjoy taking a little time out of their day to unwind and recharge. Simply add to a warm bath and enjoy a soothing, spa-like experience from the comfort of home.