Create your own bath bombs at home with this step by step guide from the Ri and L’Oréal UK & Ireland, the headline partners of Science Zones at Butlin's.
Bath bombs fizz and break up when dropped into water, releasing all the smells and colour.The fizzing is caused by the ingredients in the bath bomb reacting together in the bath waterto produce a harmless gas – carbon dioxide.
The main ingredients are a weak acid – citric acid – and a weak alkali – sodium bicarbonate.When they react together, they ‘neutralise’, meaning that they create a product that isneither acid nor alkali, just like water!
Ingredients for one bath bomb:
Feel free to play around with your bath bombs and experiment withcolours, smells and other ingredients like glitter or dried flowers (thoughdo consider the clean up after your bath!).The recipe can be scaled up, just make sure you have a 2:1 ratio of sodiumbicarbonate to citric acid.