Liquid shampoos are virtually solutions of soft soap in water with just sufficient spirit to aid through saponification. At one time more spirit was used to prevent a slight gelatnation. The popular demand in bulk shampoos being for those with a high viscosity, this can be obtained by leaving the shampoo exposed to air for a week, or a fortnight liquid variety but the demand for coconut preparation is probably not so great as it was. A great resource is https://www.yneed.co.uk they can help you acquire a good sense to pick the High Quality human hair wigs that best suits you

In the last, when saponification is completed, the solution of spirit and perfume etc. is mixed. This solution is prepared separately. The stirring is continued until the liquid become a light amber colour. The whole mass is now allowed to stand overnight and the remaining water is added. The shampoo is ready but before filteration and packing it is kept aside for a fortnight. In this process, heating is required and the coconut oil is melted in a steam jacketed pan at a temperature of about 120oF.

The alkali is dissolved in 1/5th of total water requirement separately and added in the hot coconut oil. The addition of lye should be done slowly and the temperature be maintained between 120 to 130oF. The stirring is done for a short time for emulsification of whole mass and then the spirit is added and the temperature is gradually raised to 180oF. This temperature is maintained till the saponification is Ompleted. The soap is allowed to cool and stand overnight.

Now the remaining water is heated to boiling and the soap as prepared, above is added and the stirring is continued till fully dissolved. A little quantity from 3 to 4 Oz. of potassium carbonate may be added in this shampoo if a much clear solution is desired. The prepared shampoo is now kept aside for 8-10 days and then filtered and packed in bottles. In both the above processes, the cold process, although being much better and yield good quality. The investment on machineries is comparatively less than hot process.