An Innovative Hair Care Answer to Keratin Hair Treatments.

Keratin is a key protein and main component of hair, and we tend to think about keratin treatments as way to achieve soft, silky results that last. What, if any, are the options to classic keratin treatments? How can you effectively smooth the hair? We’re weighing in with expert advice below.

article-duration
4 min read
L'Oréal Professionnel Team
25/02/2026

Keratin hair treatment damage FAQ

  • What are options to a keratin hair treatment?

    An innovative haircare option would be a different type of hair smoothing treatment, like Keratin Alpha Sleek Smooth Transformer by L’Oréal Professionnel. It is a safe at-home long lasting option, that doesn’t compromise hair integrity and for the first time, reprograms hair from deep inside the fiber at Keratin Alpha level, reshaping Keratin Alpha chains for results that last.

  • Will Smooth Transformer damage my hair or weaken it over time?

    There is no risk to hair integrity. We recommend using Smooth Transformer once a week. Use for 4 weeks to see optimal results, and keep using it weekly to maintain long-lasting smoothness and frizz control.

  • Is Smooth Transformer safe for color-treated hair?

    Yes, Smooth Transformer is safe for color treated hair.

  • Are the ingredients gentle enough for my scalp and skin?

    Yes, the protocol is safe and can be used without gloves. However, it is recommended not to apply Smooth Transformer on the scalp.

  • Will the results hold up in humid, rainy, or windy conditions?

    Instrumental tests prove efficacity on anti-frizz in humidity conditions up to 80% humidity in the hair when using Alpha Keratin Sleek range.

All you need to know about hair.