Common Harmful Ingredients in Shampoos

When it comes to shampoo, it’s essential to be aware of the ingredients included in the product. In addition, you should watch for harmful ingredients such as salt, polyethylene glycols (PEGs), and more.

Salt is a common ingredient in shampoos. It’s used to give the shampoo a salty taste and help remove oils from the hair. Unfortunately, PEGs can be contaminated with byproducts like ethylene oxide, toxic to humans.

When choosing a shampoo, make sure to read the ingredient label carefully. Avoid products that contain any of the harmful ingredients. Instead, choose a shampoo made with natural ingredients free of harmful chemicals.

They’re used to produce lather and help remove dirt and oils from the hair. However, they can also be quite harmful.

Ammonium Lauryl Sulfate or Sodium Laureth Sulfate (SLES)


Dimethicone is a silicone that can accumulate on your hair, making it feel greasy and giving you the false illusion that they’re shiny.



Like ALS and SLES, it’s used to produce lather and remove dirt and oils from the hair. However, SLS is even more harmful than ALS and SLES.

Sodium Lauryl Sulfate (SLS)


Alcohol can sometimes strip away oils and moisture from our scalps, but some brands have better properties for dry locks than others!



The most concerning harmful ingredient in shampoo is formaldehyde. It’s a known human carcinogen and has been proven to be absorbed through the skin during animal testing.



Swipe up to see the rest of commonly harmful ingredients in shampoos.