Noticed a small bump on your head that wasn’t there before? It could be a scalp cyst, a common skin condition that often goes unnoticed until you touch your hair or brush your scalp.
These lumps usually develop beneath the skin and can feel smooth, firm, or slightly movable. The good news? Most scalp cysts are benign and aren’t a serious health concern. However, understanding what’s happening beneath your skin can help you decide when it’s time to get it checked.
Your scalp contains thousands of hair follicles, and sometimes cysts form when keratin, a natural skin protein, builds up inside a small sac beneath the skin. Pilar cysts are especially common on the scalp and can sometimes run in families.
Unlike acne or ordinary pimples, these cysts often grow slowly and may stay the same size for years. They aren’t necessarily caused by poor hygiene, and having one doesn’t mean you’re doing anything wrong with your hair care routine.
Most head cysts don’t cause pain, but that doesn’t mean every lump should be ignored. If a cyst suddenly grows, becomes painful, changes color, or starts releasing fluid, it deserves medical attention. Redness, warmth, and tenderness can signal inflammation or infection. Because not every scalp lump is a cyst, a healthcare professional can examine it and determine whether further evaluation is necessary.
Not every scalp cyst needs to be removed. If it’s small, painless, and stable, your doctor may simply recommend monitoring it. For cysts that become uncomfortable, infected, or cosmetically bothersome, a minor surgical procedure can often remove the cyst and its capsule. Trying to pop or squeeze it yourself can lead to infection, scarring, and recurrence. The smartest approach is simple: understand the symptoms, avoid DIY removal, and seek professional care when something changes.