Epsom Salt Bath Bomb with CBD: Benefits And Uses

June 20, 2025

Not all bath bombs are created equal. Sure, some just fizz and color the water—but the best ones do more. In our experience, the most beneficial bath bombs are made with Epsom salt (a.k.a. magnesium sulfate). This powerhouse mineral has long been a go-to for soothing sore muscles and calming the body, often used on its own in traditional salt soaks.

But when you combine Epsom salt with a bath bomb, you get the best of both worlds: all the benefits of magnesium, plus the added perks of essential oils, skin-softening ingredients, a splash of color, and maybe even a little CBD magic.

If you’re looking for a bath bomb that goes beyond bathtub entertainment and actually does something for your stress, muscles, and skin, then an Epsom salt bath bomb with CBD is your new favorite ritual. Here’s what makes this CBD and Epsom salt blend a bath-time essential.

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Benefits of Epsom Salt in Bath Bombs for Sore Muscles and Stress Relief

Epsom salt may sound like something from your grandma’s medicine cabinet, but it’s seriously underrated. It’s made from magnesium sulfate—a naturally occurring compound best known for its bath-time benefits, especially its ability to:

Ease muscle soreness
Reduce swelling
Soothe tired, achy joints

And unlike your protein powder, Epsom salt actually absorbs through the skin when dissolved in warm water. That means a 20-minute soak is basically the bath-time equivalent of a post-workout recovery shake - for your whole body.

Fun fact: Magnesium also helps regulate stress hormones and improve sleep. So yes, your tub can absolutely double as a tension relief chamber.

Benefits of CBD in Bath Bombs for Stress and Inflammation Relief

CBD (short for cannabidiol) is the non-intoxicating compound in hemp that’s been making headlines for its calming, anti-inflammatory powers. And while some people take it in gummy or tincture form, soaking it in through your skin might be the most relaxing method of all.

When used in bath bombs, CBD delivers several key benefits. To summarize, here’s what you can expect:

Interacting with your body’s endocannabinoid system (a.k.a. your internal chill regulator)
Helping reduce localized inflammation
Promoting a sense of calm and balance without knocking you out

Unlike wine, it won’t leave you groggy. And unlike that one meditation app you keep ignoring, it requires zero effort.

How Epsom Salt and CBD Work Together in Bath Bombs

So, what happens when you mix Epsom Salt and CBD into one fizzy sphere? You get a soak that delivers mind-body relief from every angle:

1. Epsom Salt and CBD for Stress Relief and Relaxation

Feeling overwhelmed or tense from the day? You're not alone. Epsom salt helps release muscle tightness with its magnesium-rich soak, while CBD provides localized relief, helping ease inflammation and physical discomfort in targeted areas.

While CBD in bath bombs isn’t absorbed into your bloodstream, it still supports relaxation by easing tension at the surface. Here's how: when applied topically, CBD interacts with endocannabinoid receptors in the skin, offering localized relief to sore or tense areas. Combine that with the soothing effects of Epsom salt, warm water, and calming scents, and you’ve got a full-body experience that signals your nervous system to slow down. So while the CBD isn’t directly altering your brain chemistry, the physical relief it provides can help your mind follow your body’s lead, making it easier to relax, breathe deeper, and feel less stressed overall.

2. CBD and Epsom Salt for Muscle Soreness and Recovery

Whether it’s post-leg-day soreness, long hours on your feet, or that mysterious neck cramp that showed up out of nowhere, your muscles need recovery. That’s where the combination of Epsom salt and CBD comes in.

Epsom salt is rich in magnesium sulfate, which is absorbed through the skin during a warm bath. This helps:

Ease muscle tension
Reduce inflammation
Improve circulation
Support natural recovery after physical strain

Meanwhile, CBD adds localized anti-inflammatory support. When applied topically (like in a bath bomb), CBD interacts with cannabinoid receptors in the skin to help calm sore spots, reduce swelling, and provide targeted relief—without entering your bloodstream.

Together, this duo delivers powerful, surface-level muscle support, making your bath feel like a full-body massage, just without the spa price tag or awkward small talk. It’s a convenient, at-home way to soothe tension, loosen tight muscles, and bounce back faster.

3. Better Sleep with Epsom Salt and CBD Bath Bombs

If falling asleep feels like a nightly battle between your tired body and your racing mind, it might be time to make your bath part of your wind-down ritual. A soak with Epsom salt and CBD creates the perfect environment for relaxation and deeper, more restorative sleep.

Epsom salt, rich in magnesium sulfate, is known to:

Help the body release tension
Calm the nervous system
Support melatonin production, the hormone that regulates your sleep cycle

Soaking in warm water with Epsom salt before bed helps lower cortisol levels, signaling to your body that it’s time to relax and prepare for sleep.

Now, where does CBD come in?

CBD interacts with endocannabinoid receptors in the skin to help regulate processes like inflammation, discomfort, and overall balance. When CBD calms physical tension or reduces localized discomfort, it contributes to an overall sense of ease, creating the right conditions for your body and mind to shift into sleep mode.

Add in calming essential oils and a warm soak, and you’ve got a bedtime ritual that encourages full-body relaxation, helping you fall asleep faster and stay asleep longer, naturally and gently.

Translation: You get out of the tub, slide into your pajamas, and drift off like a cozy little cloud.

Bonus Benefits You Might Not Expect

Beyond the big hitters (stress and soreness), bath bombs with Epsom salt and CBD bring a few extra surprises to the tub:

Gentle exfoliation: Epsom salt helps slough off dry skin without harsh scrubbing.
Soothing for irritated skin: CBD has anti-inflammatory properties that may help calm red, itchy, or sensitive skin.
Total vibe shift: The combo of warm water, calming scents, and fizzy goodness is basically aromatherapy, skincare, and recovery time all in one.

Why Tub Therapy Makes the Best CBD and Epsom Salt Bath Bombs

Not all bath bombs are made with purpose, but ours are. At Tub Therapy, we formulate every CBD and Epsom salt bath bomb to deliver real relaxation and full-body benefits, not just fizz and fragrance.

Here’s what makes our bath bombs stand out:

100mg of full-spectrum CBD to help reduce inflammation and support recovery
A therapeutic dose of Epsom salt (magnesium sulfate) to ease sore muscles and naturally detox
Natural moisturizers like cocoa butter and olive fruit oil soften and nourish the skin
Clean, skin-safe colors and essential oil scents that won’t stain your tub or irritate sensitive skin

Tub Therapy CBD bath bombs with 100mg full-spectrum CBD and Epsom salt

Fizz With Benefits: Our Soakshow CBD bath bombs don’t just look and smell amazing—they’re designed to help you feel better from the inside out. Because at Tub Therapy, we believe self-care should be as functional as it is fun.

How to Use a CBD and Epsom Salt Bath Bomb for Maximum Benefits

Never used a CBD bath bomb before? Don’t worry—we’ve got you. Here’s how to soak like a pro and get the full mind-body benefits from your Epsom salt and CBD bath bomb:

Fill your tub with warm water—not too hot, but warm enough to help your pores open and your muscles relax.
Drop in your Tub Therapy bath bomb and let it fully dissolve, releasing all that fizzy goodness, CBD, and magnesium into the water.
Soak for at least 20 minutes. This gives your body time to absorb the CBD and Epsom salt while your mind unwinds. Bonus points for candles, music, or absolute silence.
Pat dry and moisturize if needed (especially if you’re using one of our bombs with cocoa butter and olive oil), then go forth in your calm, relaxed glow—straight to bed or straight to the couch. We don’t judge.

Epsom Salt Bath Bomb with CBD: A Bath Bomb That Actually Does Something

CBD and Epsom salt bath bombs aren’t just about creating a colorful soak—they’re about delivering real, feel-it-in-your-body benefits. This powerhouse combo helps relieve stress, muscle soreness, and tension, while nourishing your skin and supporting better sleep.

At Tub Therapy, we go beyond basic fizz. Our bath bombs are crafted with 100mg of full-spectrum CBD, magnesium-rich Epsom salt, and natural moisturizers like cocoa butter and olive fruit oil to give you a soak that actually does something.

If you’re looking for a way to turn your bath into a true recovery ritual, you’re in the right place. Shop our CBD and Epsom salt bath bombs here and give your tub—and your body—the upgrade it deserves.