Hair serums are used for the better treatment of weak or damaged hair. Shea Moisture, African Pride, Camille Rose are some of the famous known brands which are successful in making the perfect hair serums for the weak and damaged hair. The serum is a liquid type cream that can be applied to the hair after the hair wash or into the dry hair. The serum is a combination of multiple vitamins, proteins, and natural ingredients which contain nutrients that are necessary for the better care of hair. This helps in nourishing the hair to make them healthy and strong.