Minty Bath Bombs You will need: Food colouring Chopped mint Sweet almond oil 150g Bicarbonate of Soda 50g Citric Acid (you can buy this from your local pharmacist) Sieve 2 large mixing bowls 1 small glass jar Rubber gloves Spoon Old fairy cake tray (you won’t want to make cakes in it again after this!) Note: Citric acid can irritate your eyes and skin, and also the lining of your lungs if you inhale it. Wash your hands carefully after you have used it. If you get any in your eyes rinse well with cold water. What to do: 1. Pour a small amount of the sweet almond oil onto a sheet of greaseproof paper. Use this paper to grease the sides and bases of a large fairy cake tray. 2. Into a large bowl sieve all the citric acid and bicarbonate of soda. Mix the ingredients together well to form the base mixture. 3. Add a handful of chopped mint and stir thoroughly. 4. Take about half a cup of this mixture and put it into another bowl, setting it aside. This will make one or two bath bombs (depending on the size of the dimples in your fairy cake tray). 5. In a small glass jar, mix together 6 drops of lavender oil, 5 teaspoons of sweet almond oil and about 10 drops of your favourite food colouring. 6. Put on rubber gloves and gradually pour the liquid from the jar into the half cup of base mixture. 7. Use your gloved hands to quickly mix it all together. The mixture will be ready when it stays together in your hands without easily crumbling. 8. Use a spoon to fill a mould with the mixture. Press it down firmly. 9. Leave the bombs to set in the mould overnight. 10. The next day, carefully up-end the moulds on a flat surface to release your bath bombs. 11. Run a bath, get in and drop a bomb. Watch it fizz! Information from Planet Science: What’s going on? The citric acid reacts with the bicarbonate of soda producing thousands of bubbles of carbon dioxide, which makes it fizz! The sweet almond oil helps to keep the bicarbonate of soda and citric acid powders together. When the bomb reacts in your bath, the oil will form a thin layer on your skin which can help to moisturise it.
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