Question: what ingredients are used to make bath bombs?
Answer: 100g bicarbonate of soda. 50g citric acid. 25g cornflour. 25g Epsom salt (optional) 2 tbsp oil – such as sunflower, coconut or olive oil. ¼ tsp essential oil, such as orange, lavender or chamomile. a few drops of liquid food colouring. orange peel, lavender or rose petals, to decorate (optional)