Protect and fortify your hair during every wash with the K18 Damage Shield pH Protective Shampoo. Engineered with a color-safe, pH-optimized formula, this daily cleanser effectively purifies the scalp and strands while shielding the hair cuticle from structural damage. Its optimal 4.5–5.5 pH level preserves natural moisture balance, supports scalp health, and prevents hair shaft swelling during washing. Formulated to safeguard against protein loss, it leaves hair feeling strong, smooth, and vibrant after every shower. Key Benefits: pH-Optimized Shielding – Maintains an ideal 4.5–5.5 pH level to seal the cuticle, preserve essential moisture, and balance the scalp microbiome. Color-Safe Cleansing – Sweeps away dirt, excess oil, and product buildup without stripping natural lipids or fading hair color. Reduces Wash-Day Damage – Minimizes swelling of the hair fiber during washing to prevent unnecessary friction, tangling, and breakage. Microbiome-Conscious Care – Balanced formulation supports long-term scalp comfort and leaves hair weightlessly refreshed for daily use.