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How long does a keratin treatment last for smooth, shiny hair?

A keratin treatment promises permanently smooth and healthy hair. How often is it necessary – and how effective is the treatment really? Tikbow asked a specialist.

What is keratin?

Keratin is a fibrous protein and an important component of our hair. With the keratin treatment one tries to produce an äußere Schutzh– like with a car, which one seals after washing", explains Dr. Alice Martin, Dermatologin and co-founder of the Telepraxis Dermanostic. As a result, the hair looks smooth and shiny, and split ends are a thing of the past. At least that is what the providers of this treatment promise.

How does hair straightening with keratin work and how much does it cost?

The keratin treatment originates from Brazil. There it is also known as Brazilian Blowout. First of all, the hair is washed thoroughly. Only then does the actual treatment begin. The keratin is applied like a conditioner. It is often left to work in for a while. Then the hairdresser applies the keratin to the hair. Finally, he introduces the keratin with a straightening iron strand by strand into the hair. This can take several hours, depending on the length and density of the hair. Accordingly, the cost also depends on the effort. In many places, prices start at 150 euros.

How long does a keratin treatment last?

Smooth, shiny hair to the tips – the effect is said to last up to five months. "Anyone with damaged hair can definitely do their hair some good with it", says Dr. Alice Martin. "However, one should not hope for miracles. The hair can still break again, it is simply a small boost for the hair;

Hair straightening with keratin – also useful at home?

Keratin products are now available almost everywhere. However, the dermatologist advises against carrying out the treatment yourself, preferring to leave it to a professional. "The treatment is good in itself, but it depends on the correct application and the quality of the product used", warns Dr. Alice Martin. "So also ask the hairdresser to explain exactly how he performs the keratin treatment and which product he uses."


– with expert advice from Dr. Alice Martin, dermatologist and co-founder of the Dermanostic telepractice in Düsseldorf.