BLEND BLEND BLEND BLEND the citric acid and baking soda –
this step is super important – if you don’t blend well, you end up
with a grainy bomb. We actually use a mixer on our larger
Once you’ve blended really well, add your colorant. Dry pigments
or a specialty bath fizzy colorant like La Bombes work best – don’
t add too much though – the color shows up once you add the
Add fragrance oils to your personal nose preference.
Now, this is the difficult part. Spritz (with a squirt bottle) the witch
hazel onto your batch while stirring with the other hand. When
your batch sticks together when squished, you need to start
putting it in molds – time is of the essence. If you wait too long,
the mixture will get hard. If you spritz too much, the mixture will be
too wet and “grow” (start the fizzing reaction) on you.
Put the bombs in molds – wait a few minutes and tap them out.
Let them air dry for 3 or 4 hours and voila! Wonderful, hard bath
bombs. The harder you pack the bath bombs, the more dense,
heavy, and durable bomb you will get.