Why does your scalp itch even after using anti-dandruff shampoos? This forensic-style pin reveals hidden triggers behind persistent scalp irritation: mineral deposits from hard water, pH imbalance, and irritating preservatives like MI/MCI. See clear photorealistic evidence, understand the layered causes, and learn the first steps toward relief with a gentle product detox and a 5-day scalp reset. Perfect for anyone struggling with flakes, tightness, or sensitivity , save this guide to identify the real causes and stop the cycle.