What is the white stuff under my nails when I scratch my scalp?

Author: Matt Kessler MD  |  Last update: Sunday, April 23, 2023

Have you ever scratched your scalp and noticed white, waxy buildup under your nails? That's sebum mixed with dead skin cells. It's hard for shampoo alone to wash away your oily scalp issues. And issues like stress and weather can increase the scalp's sebum production, making you even oilier.

What happens when you scratch your scalp with nails?

Scratching your scalp with your nails can cause even MORE flaking and inflammation, and may result in small tears and scabs. Your scalp skin actually has more hair follicles and oil glands than any other part of your body, making it a lot more sensitive and susceptible to skin issues.

How do I get rid of sebum on my scalp?

Washing your scalp with warm water is the first step in removing sebum clogs from your head. After that, use a gentle shampoo and massage your scalp with your fingertips. This aids in the removal of all hardened and dried sebum from the scalp. Sebum build-up occurs on the scalp rather than on the hair strands.

How come when I scratch my head white stuff comes out?

Dandruff flakes are actually dead skin cells that naturally fall off the scalp — more so if you scratch. Many people think that a dry scalp is synonymous with dandruff, but either a dry scalp or an overly oily scalp can cause excess cells to clump and fall off, forming dandruff flakes.

What does scalp sebum look like?

What Does Sebum Buildup Look Like? Sebum buildup appears as white or yellowish oily residue on the scalp. It sometimes produces flakes on the scalp and may be mistaken for dandruff, scalp eczema, or psoriasis.

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What is the white waxy stuff on my scalp?

Sebum. The scalp produces a natural, waxy oil called sebum from glands beneath the skin. Some people produce more of this oil than others. Sebum plays an important role in protecting your skin from infection and helping keep it moist.

Is it good to scratch your dandruff?

Do your best to resist the urge to touch your scalp, especially if it's already itchy. Scratching can increase irritation and lead to a vicious cycle. When you touch and scratch, you can also introduce dirt into the mix that can make dandruff worse.

Is it good to scrape your scalp?

This can then lead to infection, which isn't something anyone wants. Dr Anjali Mahto, from the British Association of Dermatologists, tells BBC Three: “I would recommend people avoid scraping and picking at their scalp, it can be painful and you risk inflammation and infection.

Should I comb out dandruff?

Therefore, the best dandruff remedy is to brush out the dead skin developed at a very early stage. If you are inconsistent in brushing your hair, you might experience dandruff over time. So, the best way to comb your hair with dandruff is to comb or brush it evenly throughout your hair.

What happens if you scratch your scalp too much?

Constant scratching can lead to wounds and scabs, further damaging your scalp. The scalp can also become dry as the outer layer of skin becomes weak and lacks moisture. Scratching leaves your hair weak and your scalp vulnerable.

What happens if you pick your scalp?

Picking at the scalp can put a person at higher risk of infection, scarring, and discoloration of the skin. A person who compulsively picks at their scalp may have a skin picking disorder. Treatment for a skin picking disorder often involves therapy and medication.

What happens if you pick your dandruff?

If you do have dandruff, scraping your scalp can end up making the skin red and raw, which can open your skin to bacteria and therefore infection. Plus the more irritated your scalp becomes, the more it'll react with itchiness, soreness, and dry flakes of skin leading to a sort of itch/scratch cycle.

Can you run out of dandruff?

No, but it can be controlled. You'll need to reserve a permanent space in your shower for specialized treatment shampoo containing zinc pyrithione or selenium sulfide. These anti-dandruff ingredients can help slow the rate at which your skin cells die and slough off.

Can dandruff feel like crawling?

How Your Scalp Feels: Both of these problems cause an itchy scalp. One difference, though, is that dandruff is more likely to itch when your scalp is dry. Also, if you notice or if your child tells you they feel a crawling sensation on their scalp, this is definitely a sign of lice.

What does calcium buildup on scalp look like?

The primary symptom of calcinosis is the appearance of firm, pimple-like bumps or nodules on the skin that are white or yellow. They also have the following characteristics: The bumps can appear in various sizes and quantities. They often appear in clusters.

What does scalp plaque look like?

Symptom: Red and White Patches

The most common form of the disease is plaque psoriasis. It looks like areas of thick, swollen, red patches with well-defined edges. On top of these areas are the silvery-white scales.

Why does my scalp feel wet when I scratch?

The yellow flakes of wet dandruff are much larger and can become sticky, causing them to clump together and cling to your hair. If you scratch your scalp with wet dandruff, it will also feel wet.

Does leaving hair wet make dandruff worse?

Dont: Leave your hair wet.

But it cannot be stressed enough that pulling wet hair back into a pony tail or leaving thick hair wet all day on the scalp will make dandruff much worse. Take the time and dry your hair.

Does dandruff get worse if you don't shower?

You should wash your hair more often.

“Not shampooing enough will only make your dandruff worse — it causes more oil and dead skin cells to accumulate on your scalp, which the yeast and fungi just continue to feed on,” warns Beverly Hills dermatologist Stuart H.

Does sleeping with wet hair cause dandruff?

Though sleeping with wet hair won't give you a cold, Dr. Shah says that it does increase your risk of developing a fungal infection of the scalp. Fungi, such as Malassezia, can lead to conditions like dandruff or dermatitis, according to Shah, who recommends going to sleep with dry hair when possible.

What is it called when you constantly pick at your scalp?

Also called dermatillomania or excoriation disorder, skin picking disorder is where you cannot stop picking at your skin. There are things you can try to help yourself, but some people may need professional treatment.

Is picking my scalp anxiety?

Scalp picking rarely occurs on its own and tends to co-occur with other mental health conditions such as: Depression. Anxiety and stress. Obsessive-compulsive disorder.

Why do I have crusty scabs on my scalp?

What can cause sores or scabs on the scalp? Sores or scabs on the scalp are often harmless and clear up on their own. However, they can sometimes be a sign of a condition that may require treatment, such as psoriasis, contact dermatitis, or head lice.

Why am I addicted to scratching my scalp?

Dermatillomania is sometimes referred to as skin-picking disorder or excoriation disorder. Its main symptom is an uncontrollable urge to pick at a certain part of your body. People with dermatillomania tend to feel a strong sense of anxiety or stress that's only alleviated by picking at something.

When I scratch my scalp I get yellow stuff in my nails?

It's called dandruff, which is just dead skin on your scalp. Plenty of people experience it (including me) and it won't hurt you. If it bothers you, there are a few things you can do. Make sure you wash your hair often- this will clear most of it off.

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