Part 2: The Biological Reality of Scalp Irritation

Understanding scalp physiology helps separate everyday skin reactions from alarmist online health claims.

An itchy scalp (pruritus) occurs when the skin barrier becomes inflamed, dry, or irritated, triggering nerve endings near hair follicles. This reaction is usually caused by an overgrowth of natural yeast, product buildup, or environmental changes affecting the skin’s moisture balance.

👇 HEAD TO PART 3 TO LEARN 5 COMMON CAUSES OF SCALP ITCH!