Why Is My Scalp So Itchy? A Trichologist Breaks It Down

Woman scratching her itchy scalp with a frustrated expression, text overlay reads “got itch?”—visual concept for blog post about oily scalp and scalp inflammation.

Think it’s dryness or dandruff? The real culprit is likely excess oil—and your current routine may be making it worse.

If your scalp itches, your first thought is probably, “It must be dry.”
You might reach for conditioner, scalp oils, or even Head & Shoulders—only to find it gets worse. Here’s the thing: most itchy scalps aren’t dry. They’re oily.

Yep, oily.

And that “itch” you’re feeling? It’s often inflammation from oil buildup—not a lack of moisture. As trichologists, we see this every day. Understanding the real cause is the first step toward relief.

Do I Need A Trichologist or A Dermatologist?

Trichologist near me

A commonly asked question we hear is, “What is the difference between a trichologist and a dermatologist, and do I need a trichologist?” To answer this question, we must first look at what Trichology is and the difference between a dermatologist and a trichologist.

 

What is Trichology?

Trichology is the scientific study of hair, hair loss, and scalp problems. Trichology was first recognized as a para-medical or non-physician discipline in Britain in 1902.

Nearly a century later, Trichology is being recognized & practiced in the United States. Trichology is commonly thought of as a branch between cosmetology and dermatology.