Frequently Asked Questions About How to Make Bath Bombs at Home

DIY Bath Bomb Making Kit $29.95

Many of us love the idea of soaking in a hot bath with a scented and revitalizing bath bomb melting into the water. Now you can make your own at home using our DIY Kit. If you don’t want to use our kit though, we try to help you get started on doing it on your own with this list of Frequently Asked Questions.

Making bath bombs is easy, but it takes practice and there are many ways you can go wrong. We want to help you to be successful and make your bath bombs special.

Bath bombs are made from baking soda and citric acid. When introduced to water you get the fizzy reaction. The recommended ratio is 2 parts baking soda to 1 part citric acid. After combing well, add enough water to create a moldable paste. After you have created your base you can add fragrances, colorants, herbs and lotions to enhance your results.

You will then take your paste and place it in a mold to create the desired shape for drying.

Q: Why are my bath bombs crumbling and breaking apart?

A: Your mixture does not have enough moisture. You can natural oils (coconut oil, almond oil) to create more cohesive results. If your bath bombs are cracking as they cure they may have too much moisture and you will need to add more dry ingredients

Q: Why are my bath bombs soft and squishy. 

A: Here again the problem is too much moisture. You will need to add more of the dry ingredients to achieve the desired consistency. Also, keep in mind that a high humidity location may yield softer results.

Q: Why are my bath bombs lumpy?

A: This means that you probably didn’t not combine the ingredients well enough to create a consistent paste. Use your fingers to get the consistency to be fine and not course.

Q: Why are my bath bombs not fizzy?

A: Typically this is because your ratios of baking soda to citric acid are off. Adding more citric acid should solve the problem. Another culprit is that you have added something extra which has cancelled out the fizz (essential oil, colorant) because you used too much. This may require some experimentation.

Q: Why are my bath bombs expanding as they cure?

A: This means that the fizzing is happening pre-maturely due to too much moisture. If there is a lot of expansion and fizzing, you’ll need to start over and have less moisture in your mix.

Q: Are there certain colorants that are recommended?

A: Yes, beware that some colorants can stain your tub. Be sure to purchase colorants which are glycerin based, so that they don’t stain. Also, you can use natural colorants like micas, but the results may be less than desirable.

Q: How should I add fragrance and what kinds should I use?

A: The best approach is to start out with a small amount and see what you think of the fragrance emanating from the mixture. The amount of scent that you can detect in the open air is a good indication of what the bath will smell like.

Q: Can I add a moisturizer to my bath bombs?

A: Yes, absolutely. It will greatly enhance the experience of the bath bomb for the user. After you have blended the dry ingredients add the oil in place of the water.

Q: How long should my bath bombs cure (sit in the mould)

A: 2-4 hours typically. You should visually inspect them to determine if they are looking like they have cured properly.

Q: Do my bath bombs have a shelf life?

A: Typically around 4-6 months. Any longer and they dry out and lose their potency. If you are going to be storing them, try to do so in an airtight container.

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