Keratin is a protein that is naturally found in the skin, hair and nails of human beings and the rest of mammalians.
It’s composed of a group of amino acids and, depending on it, it can be flexible or rigid. That’s why it’s usually used as a hair treatment, it provides strength and vitality and reduces frizzy hair. What’s more, it helps straighten your hair.
Keratin hair treatments are ideal for people with a dry and non-shiny hair that has been damaged, because this protein gets into every hair and repairs and strengthens from the inside providing shape and vitality. It’s recommended for curly hair as the effects on it are more visible, even though it is also very effective for straight hair. Keratin treatment, unlike many people think, don’t last forever.
However it is true that it’s effects are very noticeable. In fact, depending on how it is applied, these can last between 3 and 5 months, a period of time during which the hair will regenerate and recover from external damage more quickly.