K18 DAMAGE SHIELD ph protective shampoo, formerly known as PEPTIDE PREP pH maintenance shampoo, is a cleansing shampoo with optimized pH level to cleanse frequently without disturbing hair and scalp’s optimal pH levels. Perfect for use within the K18 molecular repair routine.

Features & Benefits:
Creates the ideal foundation for healthy hair: Protects pH balance to keep the cuticle closed during washing and protect hair’s natural moisture levels
Cleanses smartly: Plant-derived surfactants gently breakdown and remove dirt and oil
Preps hair for treatment: Everything performs better on a clean hair base including chemical services, treatments (like our K18 molecular repair), and styling products.