It is a protein naturally produced by the human body. It is a fibrous substance that constitutes the essential component of our skin, hair, and nails, that increases the volume and sheen of your hair. Applying extra keratin to your hair replenishes thinning areas and supports your natural hair structure.
Keratin is the main constituent of hair. Repeated permanent wave treatments, harsh shampoos, UV radiation, and the environment are among the various influences that damage keratin. Hair with weakened keratin lacks structure and tonicity.
Keratin-containing shampoos and conditioners are primarily aimed at people with weak, fragile hair. The ingredient helps make hair stronger, softer, and easier to comb. It also helps hair better protect itself and repair damage caused by UV radiation.