After getting keratin done, it is extremely important to pick the right shampoo otherwise the keratin process can be undone by certain chemicals. Some shampoos can’t be used when having keratin treatment done because it can damage the hair and wash out the keratin. Here are some ingredients to avoid:

Sodium chloride
Sodium chloride is the fastest way to remove keratin from your hair as it strips the hair of the keratin very quickly. In simple terms, sodium chloride is essentially salt. Sodium Chloride actually causes your scalp to dry out and get irritated. It also removes essential oils and natural moisture created by your scalp. In order to ensure long lasting results of your keratin treatment, you must use a sodium chloride-free shampoo.