In the shampoo and soap world, there is a lot of talk about pH. But most commonly bars and liquids are referred to as being pH balanced. And what exactly does this mean? To be pH neutral a product must be sitting smack bang the middle of the pH scale which is approximately 7. It means simply that the product is not too alkaline or not too acidic. Water sits at 7 with milk as a 6 and egg as an 8. More and more we’re seeing products being marketed as pH balanced and this supposed to be a good...
In short, saponification is defined byMerriam-Websteras‘the act, process, or result of making soap: conversion into soap’.In order to achieve a solid bar of soap, you will need to mix fats and oils with a sodium or potassium hydroxide.
The other incredibly important thing to consider is that shampoo/soap bars thatdo notcontain sodium hydroxide/caustic soda/lye are not natural. These are what are referred to assyndetbars, we’ve written extensively about the difference between natural and syndet barshere.Moreover, the word syndet is derived from the wordssyntheticanddetergent.
In short, soap-based are made from natural oils whereas syndet based bars are basically solidified liquid shampoo. They each serve different purposes and we're going to give you the low down on how to find the best shampoo bar for you.