The K18 Damage Shield pH Protective Shampoo delivers gentle cleansing while helping reinforce the hair’s natural defense against daily damage. Its pH-balancing formula supports the scalp microbiome, preserves moisture and helps maintain a stronger, smoother hair fiber. Ideal for all hair types, this shampoo preps the fiber before K18 repair treatments and helps reduce visible signs of external stressors like heat styling, pollution and frequent washing. pH-balancing gentle cleanser Helps strengthen hair against daily damage Leaves hair soft, hydrated and smooth Perfect first step before K18 molecular repair treatments Safe for color-treated and chemically processed hair HOW TO USE On wet hair, apply a small amount and massage into the scalp. Work lather through the lengths, adding water if needed to emulsify. Rinse thoroughly. Use daily or alternate with K18 pH Maintenance Shampoo depending on hair needs. INGREDIENTS Water (Aqua) (Eau), Sodium C14-16 Olefin Sulfonate, Cocamidopropyl Betaine, Sodium Methyl 2-Sulfolaurate, Sodium Lauryl Sulfoacetate, sh-Oligopeptide-78, Panthenol, Glycerin, Sodium Phytate, Guar Hydroxypropyltrimonium Chloride, Disodium 2-Sulfolaurate, Caprylyl Glycol, Caprylhydroxamic Acid, Benzoic Acid, Citric Acid, Sodium Hydroxide, Sodium Chloride, Fragrance (Parfum), Limonene.