Citric acid is a weak organic acid that reacts with baking soda (sodium bicarbonate ... Almond oil can also act as a binding agent in homemade bath bomb recipes, helping to hold the other ...

Add the bicarbonate soda, citric acid, Epsom salt ... in a cool place or the fridge for at least an hour, or until the bombs feel very firm. • Once set, turn out of the silicone moulds.

For the dry ingredients, mix together 100g bicarbonate of soda (sometimes known as baking soda), 50g citric acid ... bath bombs. A simple, effective and underrated method of self-care is to make ...