Keratin shampoos have become very fashionable. We already know that keratin is a protein found in the cells in our hair and is responsible for providing vitality, flexibility and shine. Over time, the amount of keratin decreases and with this, all of the properties mentioned beforehand.
It is for this reason that keratin has been added to shampoos as they help to maintain, and even increase, the amount of keratin that we have in our hair. The results are surprising, as they lead to stronger hair that shines brightly and shows off vitality.
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