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+ servings
Close up view of a mason jar filled with yellow bath salts. It has purple flecks throughout. This is Mustard Bath.
5 from 1 vote

Mustard Bath

Mustard Bath is a fantastic, centuries-old concept. Whether you're looking to aid sleep, soothe sore muscles, or just pamper yourself, try it!
Prep Time5 mins
Total Time5 mins
Keyword: Bath Products, Bath Salt, DIY, DIY Bath Salt, DIY Mustard Bath, Homemade Bath Salt, Homemade Mustard Bath, Mustard Bath
Yield: 2 cups
Author: Marie Porter
Cost: $3


  • 1 Gallon Zipper Bags
  • Spice Grinder, optional
  • Bath Tea Bags, optional
  • Eye Droppers


  • Measure your Epsom salt , mustard powder, and dried lavender* into your plastic baggie.
    Close up view of a plastic baggie with 3 different substances in it - small purple lavender flowers, yellow mustard powder, and white epsom salt.
  • Press most of the air out of the bag, and close the zipper on it.
  • Manually crush any clumps in the salt, and work to combine the ingredients.
  • Open the bag, use an eye dropper to measure the essential oils into the baggie.
  • Push out the air and close the bag one more time,
  • Massage, shake, or otherwise agitate the bag to distribute the essential oils throughout the mix.
    Close up view of a large plastic baggie with yellow bath salts in it. There are purple flecks throughout.
  • Transfer mixture to an airtight container, or measure into bath tea bags. Filled bath tea bags should also be stored in airtight containers.
    Close up view of a mason jar filled with yellow bath salts. It has purple flecks throughout.
  • To use, measure 1 cup of Mustard Bath - or throw one bath tea bag - into a hot running bath. Soak for 20 minutes, rinse off.


* If you are using the spice grinder to process the lavender down to a finer powder, do so before mixing it in to the baggie.
Measure the lavender into the spice grinder, blitz until you're happy with, and add it to the mix.