K18 Biomimetic Hair Science Peptide Prep pH Maintenance Shampoo contains a pH balanced formula that is perfect for everyday use. It removes dirt and oil while nourishing the hair and smoothing the surface, while Optimized pH keeps the cuticles closed and protects the hair's natural moisture levels. The formula is engineered to create an optimal clean canvas to follow with the K18 leave in mask without disrupting the hair and scalp equilibrium. The result, is superior clean hair without compromise!