The K18 Damage Shield pH Protective Shampoo is a salon-favourite cleanser designed to protect hair with every wash. This generous 930ml size is ideal for those who use it regularly or want to keep their haircare routine stocked up for longer. K18 has built a strong reputation in the world of haircare, and this shampoo is a brilliant everyday option for anyone looking to maintain the integrity of their hair whilst cleansing effectively.
Formulated to work at the ideal pH level for hair health, it helps to protect against damage and colour fade — making it particularly well suited to colour-treated, chemically processed, or heat-styled hair. That said, it works beautifully for all hair types, living up to its unisex positioning.
The Damage Shield Shampoo fits seamlessly into any haircare programme, offering a protective foundation before conditioning or treatment steps. If you use K18’s leave-in treatment or other bond-building products, this shampoo is the perfect first step to ensure your hair is in the best possible condition from the very start of your routine.


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