Soap is undoubtedly the oldest product to be produced specifically as a surfactant and in its many forms continues to play a major role today. Within this highly competitive marketplace soap is presented in a multitude of forms both solid and liquid, and the object of this chapter will be to identify the many ways in which soap has developed from earliest times to a product which, today, we most probably take for granted.
KeywordsSodium Lauryl Sulfate Liquid Soap Finished Tablet Free Caustic Alkali Sodium Laureth Sulfate
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