Sulfates are a type of detergent that are commonly found in shampoos. While they can create a lather, they can also strip the hair of its natural oils, leaving it dry and brittle.
Silicones are often added to hair products to create a shiny and smooth appearance, but they can also build up on the hair and weigh it down, making it look dull and lifeless.
Alcohol is commonly found in hair products and can be drying to the hair, causing it to become brittle and prone to breakage.
Parabens are preservatives that are often added to hair products to extend their shelf life. However, they have been linked to potential health concerns, including hormone disruption.
Mineral oil is a petroleum-derived ingredient that is commonly used in hair products. While it can create a barrier that helps to lock in moisture, it can also clog the pores on the scalp, leading to potential irritation and hair loss.
Formaldehyde is a common ingredient in hair smoothing treatments and can be extremely damaging to the hair and scalp.