Normally you shed 50 to 100 hair stands all day but hair grows back all the time to cover for this loss. If you shed more than this then it may be a cause for worry. Hair fall can occur because of many factors and shampoo is one of them. Here’s how:
Ammonium chloride : Many shampoos that do not contain sodium chloride usually use surfactants like ammonium chloride. This can also have a similar effect as its sodium chloride counterpart, as it leads to various symptoms like itching and dryness in the scalp.
Formaldehyde : This substance has disinfectant-like qualities which can cause a lot of damage to the dna. Excessive and constant use can lead to indiscriminate hair loss due to the harsh properties of this substance. It is generally a low-cost option that can be used as a preservative in shampoos and conditioners.
Sulfate : Sodium lauryl sulfate or sls, and ammonium lauryl sulfate or als, are surfactants that are usually used by shampoo manufacturers to create extra foam which makes for a luxurious, yet harmful wash. This is usually the case with cheap shampoos. These substances are irritants that can cause hair loss in patches.
Sodium chloride : Your standard table salt is also one of the culprits that can lead to a lot of hair loss. Many popular shampoos and conditioners contain this substance which can make the scalp itchy and dry. This leads to hair fall.
Polyethylene glycol : This substance is used as a thickening agent that can take the moisture away from the hair and lead to severe hair loss. The use of alcohol and greasers in shampoos can also have a similar effect on the hair.