Is silicone-free shampoo really better than silicone oil?


In the past two years, the concept of silicone-free shampoo has been hot. Many consumers buy shampoo and ask for good use. Then they ask “Is there no silicon?” Some people say that no silicone oil shampoo can prevent hair loss, and some people say that this is just a business gimmick, there is no shampoo with silicone oil.


What is the truth?


What is the "silicon" in the shampoo?


The "silicon" contained in shampoo does not mean that it contains silicon, but Dimethicone.


(Dimethyl) silicone oil is a common name for polydimethylsiloxane (PDMS) which is liquid at room temperature and is also known as "矽灵". As the degree of polymerization increases, there will also be solid polydimethylsiloxane (PDMS).


Regardless of their state, all polydimethylsiloxanes (PDMS) are always a class of substances with the same structure. This determines that it is a class of "inert" substances, which means that its chemical properties are very stable.


Why use silicone oil in shampoo?


The outermost layer of human hair is hair scales, the scales are very fragile, shampooing, combing and hot dyeing will make the scales curl up and open, which causes the hair to be rough, easy to knot, and combed very much. inconvenient.


Polydimethylsiloxane (PDMS) acts as a softener in shampoo to fill the gaps between the scales, making the hair more supple and reducing knotting.
Since the 1970s, polydimethylsiloxane (PDMS) has been used in shampoos and hair care products, taking away the thousands of years of application of vegetable oil, cetyl alcohol and other ingredients. Style.