Formulating Shampoo Series Part 1- Types of Shampoo Part 2- Surfactants in Shampoo  Part 3- Custom Shampoo Surfactants in Shampoo Surfactants are necessary to remove dirt, oil and product build-up. They are surface-active agents. Surfactants alter and reduce the surface tension allowing for better penetration. They are hydrophilic (water-loving) and lipophilic (oil-loving); they have a … Continue reading Surfactants in Shampoo