*ingredients* Distilled water Sulphuric acid Antisol Soda ash Industrial camphor Caustic soda Preservative Menthol Colouring Fragrance *procedure* 1. Mix Antisol with water and leave for 24 hours. 2. Mix caustic soda and soda ash with another water and set aside. 3. Mix the two soda solutions, add sulphuric acid and stir well. 4. Dissolve the colouring and set aside. 5. Gradually add the rest of the ingredients, stirring continuously to avoid lumps and uneven colouring. 6.Pour into squirt or pump bottles and preserve for future use or sale.