Precautions while using Shampoo
An about half inch wide dollop of shampoo (about the volume of a hazelnut should be enough for short to medium long hair. Adjust this amount accordingly if you wear your hair long. Distribute the shampoo through your hair. Some materials are also added to shampoos to offset the sometimes harsh effect of surfactants on hair and fabrics. Typical conditioning agents include polymers, silicones, and quaternary agents. Each of these compounds deposit on the surface of the hair and improve its feel, softness, and combability, while reducing static charge.