This Calendula Bath Bomb Recipe is Perfection

This calendula bath bomb recipe is great for soothing dry skin and perfect for relaxing. Not only does it smell inviting, but it’s very easy to make. Keep these bath bombs for yourself or make for family and friends.

horizontal image showing up close view of three calendula bath bombs on a glass soap dish on marble counter with flower branch
These woodsy calendula bath bombs are easy to make and are a wonderful base for those who don’t like overly sweet-smelling bath fizzies.

DIY Calendula Flower Bath Bomb

Here at Ruffles and Rain Boots, I have been sharing homemade bath bomb recipes for years. Controlling recipes with minimal ingredients allows me to make bath products for myself, friends, and family without worrying about all of the extra stuff thrown into some mass-produced items.

These bath bombs are made using simple ingredients and supplies you likely have on hand. Note that for a sweeter smell, add a bit of almond or lavender essential oil to the recipe (just a few drops, reducing the calendula by the same). Calendula on its own has a deep, woody smell on its own.

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Tips for Making This Easy Bath Bomb Recipe

  • The dry ingredients used in this recipe are likely in your pantry: baking soda, citric acid, corn starch, and Epsom salt. Make sure the salt is unscented.
  • One of the ‘secrets’ to making great, long-fizzing bath bombs is to pack them tightly in the mold. I prefer to use stainless steel molds like these to be able to really press the mixture together.
  • These bath bombs should have about 4 hours of rest time IN THE MOLD before being de-molded. If not, they could break apart.
  • If you are nervous de-molding the fizzies, don’t worry, everyone is in the beginning. To remove them, twist the two pieces in opposite directions and gently lift off the top. Turn the bath bomb in the remaining mold upside down into your palm. If it does not release on its own, tap the metal mold lightly.
  • Once you remove the flower bath bombs from the mold, let them dry for about 24 hours so they fully dry.
  • Want to avoid a flat part on the bottom of a bath bomb? Line a muffin tin with a thick kitchen towel and gently press the towel into the wells. Place each bath fizzy in the wells but make sure the bath bomb is sitting in the towel like a hammock (off the metal).
square image of three differently sized diy bath bombs with calendula oil and petals on a marble counter in glass soap dish

How Long Will Bath Bombs Last?

These bath bombs are perfect for making and storing for later because they only have a few ingredients. To determine how long bath bombs will last, check all of the expiration dates on the products you’re using, including the carrier oil.

Bath bombs last as long as the EARLIEST expiration date on the products you’re using.

Almond oil has a shelf life of between 6 months and a year and calendula essential oil’s shelf life is usually up to 2 years. The rest of the items used in this recipe will have an expiration or best before date on their packages, so use those to help you determine how soon to use or gift these bath bombs.

How Do I Store Bath Bombs?

I love to wrap my bath bombs individually, especially if I am giving bath bombs as a gift. To wrap, add a single bath bomb into a cellophane bag. Use a heat gun (or powerful hair dryer) to heat the cello bags so that they shrink around the bath bomb until it is sealed completely.

To store them (wrapped or unwrapped), add bath bombs to a sealed jar with a lid. I prefer using hermetically sealed jars (the ones with the ring seals).

vertical image of three sizes of bath bombs with flower petals mixed in with text which reads calendula bath bomb recipe ruffles and rain boots

How To Make Flower Bath Bombs

Keep in mind that making bath bombs isn’t hard to do at all. You can easily gather up the supplies and get started right away. Be sure to check out my bath bombs and shower fizzies page for tips, tricks, and even things to avoid when making your own bath products.

Yield: 6 small bath bombs

Calendula Bath Bomb Recipe

square image of three differently sized diy bath bombs with calendula oil and petals on a marble counter in glass soap dish

This bath bomb recipe is simple and easy to do. These are a great gift for yourself or others and can be "sweetened" up or left woodsy.

Prep Time 20 minutes
Active Time 20 minutes
Additional Time 1 day
Total Time 1 day 20 minutes
Difficulty Easy

Materials

  • 4 ounces of baking soda
  • 2 ounces of epsom salts
  • 2 ounces of corn starch
  • 2 ounces of citric acid
  • 1 T sweet almond oil
  • ½ tsp of water
  • 25 drops calendula essential oil
  • ÂĽ cup dried of Calendula petals

Tools

Instructions

  1. Put the Epsom salt, corn starch, baking soda, and citric acid into a glass or metal bowl. Whisk to mix.
  2. Add the water, essential oil, and almond oil to a jar with a lid. Put on the lid, make sure it's tight, and shake well.
  3. Slowly pour the mixed liquid into the dry ingredients and use a whisk to mix the entire time. The amount of humidity can affect the amount of liquid that you need to use. You don't want it to get too wet. Just add until you can make it form a bit in your hand and stick together.
  4. Add the calendula petals and mix.
  5. Put the mixture into one side of the bath bomb mold and make sure that you overfill it. Do the same with the other half.
  6. Put the two haves together and give it a twist to knock off the extra mixture. Put the molded bath fizzies in a dry place and let it set for 4 hours (up to overnight). Then, lightly twist apart the top portion and remove from the mold.six image collage of how to make a calendula bath bomb in three sizes with flower petals and pantry ingredients

    Notes

      Additional Notes (please read the tips in the article for more). If you live in a humid area, add only 3/4 of the recommended moisture to start. Your mix will come together with less.

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    Did you make this?

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    More DIY Bath Bomb Recipes

    • Matcha Bath Bomb Recipe – If you love drinking the green stuff, wait until you can feel it on your skin.
    • The Easiest Coffee Bath Bomb Recipe – Never dump out the dregs of the coffee and use it to make your own bath bomb or shower fizzy.
    • Geode Bath Bombs – Listen, these are just too amazing not to check out. Any scent, color, or accent works with these, so you can make them your own after learning the technique.

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