Baths are popular with plenty of people and for good reason. For starters, they can turn your bathroom into a bit of a spa. Soaking feels relaxing. But beyond the mental health benefits of taking a breather in the bath, are there other benefits to bathing? More specifically to adding epsom salts to your bath? Like what Jessica Biel did before the Met Gala in 2024. According to herTikTokvideo, Biel mentions adding “20 pounds of Epsom salt to a bath in water as hot as you can take it.” Which appears to be a part of her self-care routine before a big event.
But, you might be wondering what the benefits are to taking an Epsom salt bath and how much might be enough for you. Read on to find out!
Bath Benefits
In this case, we can agree with Biel to make the water as hot as you can handle.
Collage elements: Adobe Stock and Getty Images. Collage: Cassie Basford.

What Are Epsom Salt Baths?
Epsom salts are not the same as the salt you’d find on your table (sodium chloride). Epsom salts are actually magnesium sulfate and named after Epsom, a town in England. People add Epsom salts to their bath where they dissolve and the claim is that then the minerals can absorb into your skin for extra health benefits. Many Epsom salt products also have added essential oils and some soaking salts are a mix of sea salt and Epsom salts.
Epsom Salt Bath Benefits
The Bottom Line
It’s possible there are some benefits to soaking in an Epsom salt bath, and the salts are inexpensive and easy to use (and may help you take more baths!), but they also aren’t a magical cure-all. We’re all for adding them to your bath, especially if you find they help you relax or make your skin feel softer. According to theMayo Clinicthey recommend 2 cups dissolved in one gallon of water. Plus, there is no research indicating any upper limits in the use of Epsom salt with a bath soak. The only thing you might experience is itchy skin when pouring more than the recommended amount.
Now, if you’re looking to treat a serious injury or are constipated, always talk with your healthcare professional before consuming or exceeding the recommended amount.
If you want to relax without overspending, you don’t have to break the bank and buy 20 pounds of Epsom salt to do that. Simply incorporate two cups of Epsom salt into your warm bathwater, and you’ll achieve the desired effect!
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