How to Make Homemade Bath Soaks for Total Relaxation
01/06/2026
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01/06/2026
We've all been there. It’s 6:00 PM, the inbox is still screaming, the house is a mess, and our nervous systems feel like a tangled ball of Christmas lights. Stress is kind of ridiculous when we think about it—our bodies treat a difficult email the same way they'd treat a lion in the wild. Our heart rates spike, our muscles tighten, and suddenly we're ready to fight a printer or flee from a Slack notification. It’s absurd, but it’s real. When the world gets too loud, we need a way to hit the mute button. For many of us, that's where the bathtub comes in.
Learning how to make homemade bath soaks is one of the easiest ways to reclaim a little sanity without spending a fortune. It's about more than just bubbles and scents; it’s about replenishing what stress steals from us. At Flewd Stresscare, we focus on the science of transdermal nutrient delivery—basically, getting the good stuff into our bodies through the skin. While we specialize in high-potency, targeted formulas, we also know there’s a certain magic in mixing up a DIY batch at the kitchen counter.
In this guide, we’re gonna walk through the basics of building a solid soak, the best ingredients to use, and why we should care about the minerals we’re putting in the water. We’ll cover everything from the classic Epsom salt base to the botanicals that make a bath feel like a spa. If we want a deeper DIY walk-through, homemade relaxing bath soak recipes are a great place to start. By the end, we’ll have the tools to turn an average Tuesday night into a legitimate recovery session.
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The base of any homemade soak is almost always salt. But not all salts are created equal. When we’re standing in the aisle of the grocery store, we might see five different types of "bath salts." Choosing the right one determines whether we’re just getting prune skin or actually supporting our muscle recovery.
Epsom salt is the most common ingredient in DIY soaks. Despite the name, it isn't actually salt—it’s magnesium sulfate. It’s been used for generations to help with muscle soreness and minor aches. When we dissolve it in warm water, it breaks down into magnesium and sulfate. While the scientific community is still debating exactly how much magnesium sulfate our skin can absorb, we know that a warm soak in these minerals feels incredible after a loooooong day. For the bigger picture, the magnesium or Epsom bath salts debate is worth a look. It’s cheap, easy to find, and acts as the perfect canvas for our other ingredients.
If we want to feel a bit more fancy, we can mix in sea salts or Himalayan pink salt. These are actual salts (sodium chloride) and they bring along trace minerals like potassium, calcium, and iron. Pink Himalayan salt is particularly popular because it’s gorgeous in a glass jar, but it also helps with skin hydration. Salt is naturally antimicrobial and can help gently exfoliate our skin while we soak.
Adding baking soda (sodium bicarbonate) to our homemade bath soaks is a pro move for skin health. If we’re dealing with itchy skin, seasonal dryness, or just want the water to feel "softer," baking soda is the answer. It helps neutralize the acidity on our skin and can even help wash away oils and sweat more effectively. It’s also a great binder for essential oils, helping them distribute through the water instead of just floating on top in a greasy puddle.
Key Takeaway: A solid bath soak starts with a 2:1 ratio of Epsom salt to sea salt, with a half-cup of baking soda thrown in for skin support.
This is where we get to be a little creative. Scent is one of the fastest ways to signal to our brain that the workday is over. Essential oils are powerful, though, and we shouldn't just dump them into the tub willy-nilly.
When we’re building a soak, we should match the scent to our mood goal.
Essential oils are concentrated plant extracts. If we drop them directly into a hot bath, they stay on the surface and can cause skin irritation in... sensitive areas. We always mix our oils into our salt or a carrier oil (like jojoba or sweet almond oil) before adding them to the water. This ensures they’re properly dispersed so we can enjoy the scent without the sting.
Ready to mix? Here is a basic template we can use to create almost any soak.
We don't need much. A large glass bowl, a spoon, and some airtight jars (like mason jars) are usually enough. If we're making these as gifts, we might want some pretty labels or ribbons, but for our own Tuesday night soak, a plain jar works just fine.
Add the salts and baking soda to the bowl and stir them until they’re well combined. If we’re using carrier oil, mix the essential oils into that first. Then, slowly drizzle the oil mixture over the salts while stirring. We want to make sure there are no big clumps and the scent is evenly distributed.
Transfer the mixture to an airtight jar. We should keep it in a cool, dry place. When we’re ready to use it, we just pour about a cup of the mixture into warm (not boiling) water. We should aim to soak for at least 15 to 20 minutes to give the minerals time to do their thing.
Once we've mastered the basic recipe, we can start adding "boosters" to target specific stress symptoms. This is where the DIY approach gets really fun.
If we're struggling to shut our brains off at night, we can add a cup of ground oats to our salt mixture. Oatmeal is famously soothing for the skin, but the act of a warm bath also helps lower our core body temperature afterward, which is a biological signal to sleep. Add lavender and cedarwood oils for a grounding, "forest floor" vibe that helps us drift off. For a targeted option, the Insomnia Ending Soak is built for the same goal.
After a heavy gym session or a long day on our feet, our muscles need more than just salt. We can add a teaspoon of mustard powder to our soak. It sounds weird, but it’s a traditional remedy for increasing circulation and "drawing out" tension. For a more targeted option, the Ache Erasing Bath Soak is built for recovery. Combine it with eucalyptus and wintergreen oils for a cooling-heating effect that rivals any store-bought muscle rub.
If our skin feels like parchment paper, salts alone might be too drying. We can add a few tablespoons of milk powder or coconut milk powder. The fats and proteins in the milk help lock in moisture. When we combine this with a bit of honey (just a tablespoon mixed into the warm water), we get a soak that leaves us feeling suuuuper soft.
We often hear that baths are "self-care," which usually conjures up images of influencers with expensive candles. But there’s actual science happening in the tub. Our skin is our largest organ, and it's surprisingly efficient at interacting with the environment around it.
Transdermal delivery is just a fancy way of saying "through the skin." When we soak in warm water, our pores open up, and our blood flow to the skin increases. This creates a prime opportunity for minerals to move from the high-concentration water into our bodies. Does Magnesium Soak Into the Skin? breaks down that process in more detail. This is why we're so obsessed with magnesium at Flewd. Magnesium is a critical mineral for over 300 biochemical reactions in the body, including the ones that regulate our stress response and muscle relaxation.
While Epsom salt (magnesium sulfate) is the standard for DIY, it isn't actually the most effective form of magnesium for our bodies to absorb. In our Flewd Stresscare soaks, we use magnesium chloride hexahydrate. If we want the deeper science behind that choice, Bioavailable Magnesium explains why we chose it. We chose this because it’s much more bioavailable—meaning our bodies can actually use it more easily than the sulfate found in Epsom salt. While we should definitely use our homemade Epsom soaks, we should know that if we're looking for deep, long-lasting stress relief, magnesium chloride is the gold standard.
One of the best things about a bath soak is that it bypasses the digestive system. Many people find that taking magnesium supplements or high doses of vitamins orally can lead to an upset stomach. When we "bathe" in our nutrients, we skip the gut entirely. The minerals go straight into our system, which is a much gentler way to replenish what stress has depleted.
Key Takeaway: Bath soaks are a nutrient delivery system. By soaking, we're giving our bodies the raw materials they need to repair themselves without the side effects of oral supplements.
Making bath soaks isn't rocket science, but there are a few ways we can accidentally ruin a good batch or, worse, our plumbing.
We've all seen those beautiful photos of baths filled with rose petals and lavender buds. They look amazing for a photo, but they’re a nightmare in real life. Once those flowers get wet and sit in the drain, they turn into a soggy, brown mess that can clog your pipes. If we really want the botanical experience, we should put our herbs in a muslin bag or a large tea infuser. For the big picture, Bath Bomb vs Bath Soak: What’s the Difference? is a helpful comparison. This way, we get the infusion without the cleanup.
We often think the hotter the bath, the better. But if the water is scalding, it actually stresses the body out more. Hot water can spike our heart rate and dry out our skin. We should aim for "comfortably warm"—about 92 to 100 degrees Fahrenheit. This is the sweet spot where our pores open up but our nervous system stays in "rest and digest" mode.
If we add baking soda to our soaks and live in a very humid environment, pressure can sometimes build up in airtight glass jars. It’s rare, but it happens. If we're worried about it, we can poke a tiny hole in the lid or just use a container that isn't 100% airtight. Also, if we add oils to our salts, they have a shorter shelf life (about 3 months) before the oils might go rancid. It’s best to make small batches that we’ll actually use.
Once we've got our homemade bath soaks ready, the final step is setting the stage for taking a bath for stress relief. We’re not just cleaning our bodies; we’re resetting our brains.
DIY soaks are fantastic for general maintenance and relaxation. They’re a fun hobby and a great way to save money. But sometimes, stress isn't just "general." Sometimes it’s a specific kind of heavy.
When we created Flewd, we wanted to take the concept of a bath soak and turn it into a high-performance treatment. While a homemade soak might have 2 or 3 ingredients, our formulas have dozens of targeted nutrients. For example, our Anxiety Destroying Soak doesn't just have magnesium; it’s packed with zinc and a B-vitamin complex to support the nervous system. Our Insomnia Ending Soak uses vitamins A and E along with L-carnitine to help the body prep for deep sleep.
If we're feeling a specific symptom—like rage, deep sadness, or total fatigue—a DIY salt mix might not be enough to move the needle. That’s when we reach for the targeted stuff. But for those nights when we just want a simple ritual to mark the end of the day, a homemade jar of salts is a beautiful thing to have on hand.
Learning how to make homemade bath soaks is a powerful act of autonomy. It’s a way for us to say that our well-being matters and that we don’t need a fancy spa to find a moment of peace. Whether we’re mixing up a basic Epsom salt blend or experimenting with milks and clays, the goal is the same: to give our bodies the space and the minerals they need to recover from the chaos of modern life.
Remember that consistency is the secret sauce. One bath feels good, but a routine of soaking twice a week can actually change how we handle stress. We start to build up our mineral reserves, our sleep gets deeper, and those "lion" emails start to feel a little less threatening.
"The best time to take a bath is before the stress becomes unbearable. The second best time is right now."
So, go ahead—grab the salt, find a jar, and start mixing. Your nervous system is gonna thank you. And if you’re looking for a boost, check out our Stresscare Trio to see what a professional-grade soak can really do for you.
While table salt won't hurt us, it isn't ideal. It’s usually very fine and highly processed, often containing anti-clumping agents. Coarse sea salt or Himalayan salt is better because it contains a wider range of trace minerals and dissolves at a slower, more consistent rate in the tub.
If we keep them in an airtight jar in a cool, dry place, plain salts can last for years. However, once we add essential oils or carrier oils, the shelf life drops to about 3 to 6 months. Oils can go rancid over time, especially if they’re exposed to the heat and humidity of a bathroom.
They serve different purposes. Epsom salt is pure magnesium sulfate, which is great for muscle recovery. Dead Sea salt is lower in sodium and much higher in minerals like magnesium, potassium, and calcium, making it superior for skin conditions like psoriasis or eczema. We like using a mix of both to get the best of both worlds.
Generally, no. In fact, we recommend not rinsing off. Leaving the minerals on our skin allows the absorption process to continue even after we’ve stepped out of the tub. If you want the full post-soak rundown, our Should You Rinse After Magnesium Bath? guide is a helpful next step. Just pat yourself dry with a towel so you don't rub off all those hard-earned nutrients.