Learn how to make an herbal bath bomb recipe. This easy to make DIY has both chamomile and calendula to soothe dry or irritated skin. It's a wonderful bath bomb for dry skin, and it also has relaxing aromatherapy benefits.

Herbal Bath Bomb Recipe

This soothing bath bomb recipe has both chamomile and calendula, which are two of my favorite herbs for soothing dry or irritated skin.

In addition to the dried herbs, I also used a soothing essential oil blend to promote skin health.

This is an excellent bath bomb for dry skin. Both calendula and chamomile are soothing for irritated skin, so a calendula bath bomb can help relieve the symptoms of eczema or psoriasis.

For more recipes for dry skin, check out these posts:

Keep track of this herbal bath bomb recipe and all of your recipes in a printable essential oil journal.

Can You Put Herbs in Bath Bombs?

Yes, you can use herbs to make herbal bath bombs. I used dried calendula, but you can try one of these herbs:

Lavender
Rose petals
Eucalyptus (see my eucalyptus bath bombs for sore muscles)
Cornflower
Helichrysum
Hibiscus
Comfrey leaves
Violet
Rosemary
Elder flower
Marshmallow root

I like to get my herbs from Mountain Rose Herbs. They have most herbs available in 4 oz or 1 pound sizes. I also recommend Grassroots Herb Supply or Mountain Maus Remedies.

I also used dried herbs to make herbal bath salts.

Can You Put Fresh Flowers in Bath Bombs?

No, you should not use fresh herbs or flowers. Fresh flowers will only last a few days, and they can rot inside the bath bomb.

Instead, make a dried flower bath bomb with the dried leaves or petals from plants or herbs.

How Do You Make Bath Bombs Out of Flowers?

There are actually a few ways to make an herbal bath bomb recipe.

Add dried flower petals or leaves to the dry ingredients.
Use an herbal essential oil.
Use an herbal infused oil like calendula oil. Learn how to make calendula infused oil or you can buy the infused oil.
Use a hydrosol or floral water. Learn how to make a hydrosol with fresh or dried herbs.

Chamomile and Calendula Bath Bomb Benefits

Chamomile and calendula are two of my favorite herbs for soothing the skin.

Chamomile essential oil has the following benefits for skin:

Reduces inflammation
Reduces redness
Relieves symptoms of eczema
Promotes skin healing
Reduces damage from free radicals
Soothes sensitive skin
High in antioxidants
Promote cellular renewal

You can get German chamomile essential oil from Simply Earth, Revive, or Plant Therapy.

Dried calendula has the following benefits for skin:

Reduces inflammation
Nourishing for your skin
Moisturizing
High in antioxidants
Promotes skin healing
Boosts collagen and elastin production

Do not use calendula if you are allergic to ragweeds, marigold, or daisies.

You can get dried calendula from Mountain Rose Herbs or on Etsy.

Essential Oils for Soothing Bath Bomb Recipe

I made my own blend with 3 drops German chamomile, 10 drops geranium, and 22 drops lavender. This gives me 35 drops, which is exactly what I need to make a chamomile bath bomb.

You can use my essential oil blending factor worksheets to create your own blends.

Here are some premade blends that you can use for make a soothing bath bomb recipe:

Soft Skin blend with lavender, frankincense, lemon, petitgrain, coriander, turmeric, and rose absolute
Skin Care blend with lavender, frankincense, helichrysum, and carrot seed oil
Beauty Within blend with frankincense, lavender, rosemary, and myrrh
Bumps and Boo Boos blend with tea tree, lemon, lavender, and helichrysum

Is There a Calendula Essential Oil?

I used a chamomile essential oil, but why not use calendula essential oil for a calendula bath bomb?

That's because there isn't a true calendula essential oil. If you see a calendula essential oil, it is most likely a CO2 extract.

Some plants just don't make good essential oils. Maybe the scent doesn't transfer, or maybe there just isn't much oil in the plant.

CO2 extracts remove the plant oil and/or aroma using pressurized carbon dioxide gas. Once the process is done, the CO2 becomes a gas and evaporates. This leaves behind an extract of the plant that's similar to an essential oil.

CO2 extraction is safe, and the oil it creates is safe to use in DIY recipes. Just know that it's not a true essential oil.

The closest essential oil is Tagetes essential oil. It's made from a southern marigold. It is, however, photosensitive when used topically.

Dried Flower Bath Bomb Ingredients and Supplies

Here is more information about each ingredient that you need for this herbal bath bomb recipe. The amounts for each ingredient are listed below in the recipe card.

Baking Soda and Citric Acid - When you combine baking soda and citric acid and add water, it releases carbon dioxide gas. This is what creates the bubbles and fizzing in bath bombs.

Epsom Salts - I like to add Epsom salts to my bath products for the extra magnesium. It also acts like a filler and helps them hold their shape.

Corn Starch - Corn starch helps slow down the reaction of the baking soda and citric acid so your herbal bath bomb fizzes longer. You can also use arrowroot powder in place of corn starch.

Dried Calendula Petals - Use dried calendula petals to promote skin health.

Sweet Almond Oil - I used sweet almond oil as a carrier oil to dilute the essential oils. It's a great all purpose carrier oil. You can use a different carrier oil as well. Learn about carrier oils and their benefits to choose the best one.

Water - Use water or witch hazel in bath bomb to hold the dry ingredients together. Be careful adding the water because it can activate the baking soda and citric acid.

Essential Oils - You can use up to 35 drops of essential oils to make these herbal bath bombs. I used 3 drops chamomile, 10 drops geranium, and 22 drops lavender.

Bath Bomb Molds - I used these metal bath bomb molds.

How Do You Make Herbal Bath Bombs?

Step #1

Combine the baking soda, citric acid, Epsom salts, and cornstarch in a medium sized bowl.

Step #2

Add the dried calendula petals and stir well.

Step #3

Combine the sweet almond oil, water, and essential oils in a small bowl and stir to combine.

Step #4

Slowly pour the liquid ingredients into the dry ingredients while you stir.

Step #5

Scoop the mixture into each half of the molds, overfilling each side. Then firmly press the two halves together and twist slightly.

Step #6

Set the molds aside and let dry for 6 to 8 hours. Remove from molds. If they don't release, tap the mold gently to release.

Store your chamomile bath bombs in an airtight container. They will absorb moisture from the air.

Now you know how to make herbal bath bombs!

For more bath bomb recipes, check out these posts:

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Yield: 3 large

Author: Cari @ Everything Pretty

Estimated cost: $10