What is the ingredient in shampoo that makes hair smooth?

Silicones are the ingredients in shampoo that make hair smooth. Silicones are synthetic polymers that coat the surface of the hair shaft, creating a smooth, shiny finish. They also help to reduce friction between hair strands, which can help to prevent tangles and breakage.

Some common silicones used in shampoo include:

* Dimethicone

* Cyclomethicone

* Phenyl trimethicone

* Amodimethicone

These silicones can be found in a variety of hair care products, including shampoos, conditioners, and styling products. They can also be found in some skin care products, such as lotions and moisturizers.

Silicones are generally safe for use on hair and skin. However, some people may experience scalp irritation or buildup from using silicone-containing products. If you experience any problems with silicone-containing products, you may want to try a silicone-free alternative.