The role and harm of silicone oil in shampoo

Jiang Li is a silicone-free shampoo, silicone oil. Its scientific name is polydimethylsiloxane. Its role in shampoo is to make it smooth. He actually created a fake smoothness for us. An illusion, because of the surface of our hair, there are countless scales. When we wash our hair, the scales are open. When the scales are open, when our hands touch our hair, it feels awkward. .

But we often hear about the care of the two in one, then how did he do it, yes, relying on the composition of silicone oil, when the hair is washed, the scales are opened, he will be instantly silicone oil Filling the gaps of the scales gives you the illusion of smoothness. Silicone oil itself is harmless, but silicone oil is insoluble in water and will wrap hair around the hair. So no matter how you wash it, it will have residue, he will stick to the hair, over time, it will make the hair dry, hairy, easy to knot, attached to the scalp, it will block the hair follicle, serious Will trigger a series of scalp problems.

So a real good shampoo, he should be simmering when washing, slippery when dry. Then all the scales are in the open state when washing the hair. He can't be smooth. After washing, use the second to close the scales. Therefore, he must be separated when washing and protecting.