Is your hair stressed out?
Hair is primarily made up of proteins (up to 90%) called keratin. Keratin is a hard fibrous protein that is composed of polypeptide chains. The meaning of polypeptide originates from…
Continue reading
Hair is primarily made up of proteins (up to 90%) called keratin. Keratin is a hard fibrous protein that is composed of polypeptide chains. The meaning of polypeptide originates from…
Continue reading