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Maintenance of keratin treatments calls for sulfate-free shampoos.
Keratin treatments helped me learn to love and care for my natural wave and texture.
These treatments are used to smooth, strengthen, and moisturize the hair.
Last medically reviewed on April 1, 2020 Healthline has strict sourcing guidelines and relies on peer-reviewed studies, academic research institutions, and medical associations.
However, this product does have a few significant drawbacks.