This Relaxing Epsom Salt Bath Soak offers the ultimate in bath time relaxation with a blissful blend of Epsom salt and calming lavender essential oils. Made with lavender essential oil Provides a calming lavender aroma  Helps soothe away daily stress  Naturally aids in the relief of tired joints and muscles Contains a naturally high magnesium content  Chemical composition: Magnesium Sulfate Heptahydrate MgSO4 · 7H2O Direction to use: Recommended use 250g. Add to warm running bath water for a wonderfully soothing & relaxing bath.