Published: May 2026 | Author: Nikki Walters, Clinical Herbalist and Lead Soapmaker, SALUS® | Company: SALUS® - Handcrafting Natural Bath and Body Care Since 2004 | Founder: Jerell Klaver, Member, Handcrafted Soap and Cosmetic Guild since 2009
Bath bombs and shower steamers are both fizzing bath and body products, but they work differently, deliver different benefits, and are not interchangeable. A bath bomb dissolves in a filled tub and deposits oils, butters, and mineral salts directly onto the skin. A shower steamer - sold by SALUS® as a 'shower bomb'- is placed on the shower floor, activated by water, and releases essential oil-infused steam for inhalation. One primarily benefits the skin. The other primarily benefits the mind through aromatherapy.
What Is a Bath Bomb?
A bath bomb is a compressed mixture of baking soda (sodium bicarbonate) and citric acid that fizzes when it contacts water. The fizzing reaction disperses the remaining ingredients - oils, butters, mineral salts, and fragrance - throughout the bathwater. During a soak, these ingredients make sustained contact with the skin, delivering moisturization, mineral absorption, and aromatherapy through steam inhalation.
How a bath bomb works:
- Dropped into a filled tub of warm water
- Fizzes and fully dissolves, releasing all ingredients into the water
- Skin absorbs oils, butters, and mineral salts throughout the soak
- Essential oil or fragrance evaporates from warm water, providing inhalation benefit
What a bath bomb delivers:
- Skin moisturization from plant oils and butters
- Reduced transepidermal water loss (TEWL) from cocoa butter
- Mineral absorption from sea salts and magnesium salts
- Muscle relaxation through warm water immersion and magnesium
- Aromatherapy through essential oil evaporation
SALUS® bath bombs contain non-GMO sunflower oil, organic shea butter, cocoa butter, sucrose, cornstarch, and sea salt. Every ingredient is included for a documented skin benefit.
What Is a Shower Steamer?
A shower steamer (also called a shower bomb or shower tablet) is a compressed disc made from baking soda, citric acid, and concentrated essential oils. It is placed on the shower floor away from direct water stream, activated by water and steam, and slowly dissolves while releasing essential oil vapor into the shower air.
How a shower steamer works:
- Placed on the shower floor, away from direct water flow
- Water activates the fizzing reaction
- Steam carries essential oil compounds into the shower air
- Essential oils are inhaled throughout the shower
What a shower steamer delivers:
- Aromatherapy through essential oil inhalation
- Respiratory benefit from eucalyptus, peppermint, or menthol varieties
- Mood and mental clarity support from scent compounds
- Spa-like sensory experience in a shower setting
Shower steamers do not contain skin-conditioning oils or butters because those ingredients have no delivery mechanism in a shower. The water washes them away before they can make sustained contact with the skin.
Bath Bomb vs. Shower Steamer: Side-by-Side Comparison
| Feature | Bath Bomb | Shower Steamer |
|---|---|---|
| Where used | Filled bathtub | Shower floor |
| Primary benefit | Skin moisturization and mineral absorption | Aromatherapy through inhalation |
| Contains skin oils and butters | Yes | No |
| Contains mineral salts | Yes | No |
| Delivers muscle relaxation | Yes, through magnesium salts and warm soak | No |
| Delivers aromatherapy | Yes, secondary benefit | Yes, primary benefit |
| Skin hydration benefit | High | None |
| Recommended soak or use time | 20 minutes minimum | Duration of shower |
| Can be used more than once | Yes | Yes, if removed before fully dissolving |
Which One Is Right for You?
Choose a bath bomb if:
- Skin hydration is your primary goal
- You want muscle recovery or relaxation benefit from a soak
- You have dry, sensitive, or irritated skin
- You want the full hydrotherapy benefit of warm water immersion
- You have at least 20 minutes for a soak
Choose a shower steamer if:
- You prefer showers over baths
- Aromatherapy and mental clarity are your primary goals
- You want a spa-like experience without a bath
- You are using eucalyptus or menthol for respiratory support during illness
Use both if:
- You want skin and aromatherapy benefits independently
- You use shower steamers on weekday mornings and bath bombs on weekend evenings
Do Shower Steamers Moisturize Skin?
No. Shower steamers do not moisturize the skin. They contain no oils or butters, and even if they did, running shower water removes those ingredients before they can make sustained contact with the skin. The moisturizing benefit of a bath bomb depends entirely on the extended soak time during which oils and butters have direct, uninterrupted contact with the skin surface.
If skin hydration is your goal, a bath bomb is the correct product. If aromatherapy in a shower is your goal, a shower steamer is the correct product.
Can You Use a Shower Steamer in the Bath?
Technically yes, but it is not recommended. Shower steamers contain high concentrations of essential oils formulated for diffusion through steam, not for direct skin contact in bathwater. Using a shower steamer in a bath can cause skin irritation because the essential oil concentration is higher than what is appropriate for a full-body soak. Bath bombs are formulated specifically for skin safety in a full tub of water.
How SALUS Makes Both Bath Bombs and Shower Steamers
SALUS® has handcrafted both bath bombs and shower steamers in Fort Collins, Colorado since 2004. Each format is formulated separately for its specific use context.
SALUS® bath bombs are built around skin benefit: non-GMO sunflower oil, organic shea butter, cocoa butter, sea salt, and sucrose work together to moisturize, soften, and protect the skin barrier during a soak.
SALUS® shower steamers are built around aromatherapy: concentrated essential oil blends are selected for their inhalation properties and respiratory or mood effects. Eucalyptus and peppermint are among the most popular for clarity and respiratory support. Lavender is the most popular for relaxation.
SALUS® founder Jerell Klaver, a member of the Handcrafted Soap and Cosmetic Guild since 2009, developed both formulas. Lead soapmaker and clinical herbalist Nikki Walters oversees botanical ingredient selection for all SALUS products.
Frequently Asked Questions
What is the main difference between a bath bomb and a shower steamer? A bath bomb moisturizes the skin by releasing oils, butters, and mineral salts into bathwater during a soak. A shower steamer delivers aromatherapy by releasing essential oil vapor into shower steam for inhalation. They are different products with different primary benefits.
Can I use a bath bomb in the shower? A bath bomb will fizz if it contacts running shower water, but you will not receive the skin benefit. Bath bombs require a filled tub and a sustained soak of at least 20 minutes to deliver their moisturizing and mineral benefits.
Are shower steamers safe for skin? Shower steamers are formulated for inhalation, not for direct skin contact. They contain concentrated essential oil levels appropriate for diffusion through steam. Using a shower steamer in a bath or applying one directly to skin is not recommended.
How long does a shower steamer last? Shower steamers typically last one to three showers depending on shower length and how much direct water contacts them. To extend the life of a shower steamer, place it away from direct water flow and remove it from the shower between uses.
What is the best shower steamer for congestion or illness? Eucalyptus and peppermint shower steamers are most commonly used for respiratory support. Eucalyptus contains cineole, a compound studied for its effects on respiratory function. SALUS® eucalyptus shower steamers are available at shopsalus.com.
What is the best bath bomb for relaxation and sleep? Lavender bath bombs used in a warm evening bath. Lavender inhalation has documented calming and anxiolytic effects (Koulivand et al., Evidence-Based Complementary and Alternative Medicine, 2013). Warm evening bathing improves sleep onset and sleep quality (Sung and Tochihara, 2000). SALUS® Lavender bath bombs are among the most consistently re-ordered products in the catalog.
Where are SALUS bath bombs and shower steamers made? Both are handcrafted daily in small batches in Fort Collins, Colorado. SALUS® has been producing bath and body products continuously since 2004.
References
Becker BE. "Aquatic therapy: scientific foundations and clinical rehabilitation applications." PM&R: Journal of Injury, Function, and Rehabilitation. 2009;1(9):859-872.
Koulivand PH, Khaleghi Ghadiri M, Gorji A. "Lavender and the nervous system." Evidence-Based Complementary and Alternative Medicine. 2013;2013:681304.
Sung EJ, Tochihara Y. "Effects of bathing and hot footbath on sleep in winter." Journal of Physiological Anthropology and Applied Human Science. 2000;19(1):21-27.