Not washing your hair leads to scalp scabs because oil, dead skin, sweat, and product buildup create an environment for yeast (Malassezia) to overgrow, causing dandruff and seborrheic dermatitis (inflammation, flakes, itching) or bacterial folliculitis (infected follicles). This buildup irritates the scalp, leading to scratching that forms scabs, or the buildup itself can cause itchy, crusty sores.
They are likely to be the result of a common scalp problem, such as scalp psoriasis, atopic dermatitis or seborrheic dermatitis. Sometimes, the scabbing is a symptom of the condition itself, and at other times, it is a result of scratching due to the scalp itching it produces.
However, if your scabs result from another condition, such as psoriasis, infection, or eczema, you may need additional treatment. Picking at your scabs may prevent healing and lead to complications, such as infection or scarring. Contact your doctor for any scalp scabs that continue to grow back or will not heal.
Like we said, there are several potential reasons why your scalp may be hurting. But if your scalp pain coincides with day three or four of unwashed hair, chances are that excess oil and product buildup are to blame.
Lesions or Sores: Scalp infections can result in the formation of lesions, sores, or pustules. These symptoms could be accompanied by oozing, crusting, or scaling. Hair Loss or Thinning: Infections of the hair follicles can cause hair loss or thinning in the affected areas.
Oily scalp: If your scalp is too oily, it can cause irritation and lead to scratching and scabbing. Dandruff (seborrheic dermatitis): Dandruff is small, white, flaky patches of skin that are usually located at the hair follicle site. It can cause itchiness that may tempt you to scratch and develop scabs.
Trichodynia is the sensation of pain in the scalp, which, in most cases, is associated with certain types of alopecia. Despite being a term coined by Rebora back in 1996 to described patients with diffuse alopecia consistent with telogen effluvium, this symptom has currently been reported in other entities.
In fact, washing your hair less often can actually be better for its health. According to dermatologists, most people shouldn't be shampooing daily. So, depending on your hair type and the state of your scalp, you may be fine to wait a whole week or (gasp) longer before sudsing up again.
If you are not washing your hair enough, this can contribute to your scalp hurting. Your hair won't get enough stimulation if you are not washing or brushing it regularly. This can cause a build-up of oil and flakes in your hair, which will irritate your scalp.
Some of the telltale symptoms that indicate scalp folliculitis include:
While skin-picking and hair-pulling are typically associated with OCD and classified as an obsessive and compulsive-related disorder, it can also occur in the context of ADHD.
A vitamin deficiency of certain vitamins can make this situation much worse. Vitamins D, B2, B3, B6, B7 are usually associated with a flaky scalp.
Dermatillomania is a mental health condition where a person compulsively picks or scratches their skin, causing injuries or scarring. Also known as excoriation disorder or skin-picking disorder, this condition falls under the category of obsessive-compulsive disorders (OCDs).
How can you tell if you have a scalp condition?
First try a mild corticosteroid cream, foam, ointment or oil (Scalpicin Scalp Itch) on affected areas, keeping it away from the eyes. If that doesn't work, try the antifungal cream ketoconazole. Don't use styling products. Stop using hair sprays, gels and other styling products while you're treating the condition.
We might not even realize that we're picking or scratching our scalps - it's an automatic, subconscious reaction to itching, discomfort, inflammation or stress - but often, this can lead to scabs.
The best products for scalp health
Individuals who stop washing their hair for extended periods often report symptoms like itching, increased oiliness, visible flaking, and even “gritty” buildup around the follicle openings.
Dirty Hair and Scalp Buildup
All this buildup can clog hair follicles, and your roots feel sore. An unclean scalp is a breeding ground for bacteria, and so, hair roots hurt when touched as well.
On the other hand, there are some benefits to not washing your hair unnecessarily. Over-washing strips your hair of its natural oils, causing it to become dull, dry and brittle.
Signs That You Aren't Cleaning Your Clothes Enough
It opens the door to unsightly dandruff, flakes and an itchy scalp. A sure sign of over-washing your hair is split ends. Your hair will appear frizzy, look dull, and lose its shine. If you dye your hair and find that the color is fading faster than it should, you're over washing.
The symptoms of scalp dysesthesia associated with fibromyalgia can create sensations of itchiness, burning, or a painful sensitivity when touched, which may worsen with certain hair care routines or hairstyles.
By the time you turn 30, you have a 25% chance of displaying some balding. By age 50, 50% of men have at least some noticeable hair loss. By age 60, about two-thirds are either bald or have a balding pattern. While hair loss is more common as you get older, it doesn't necessarily make it any easier to accept.
The "Big 3" for thinning hair, especially male/female pattern baldness, are typically Minoxidil (Rogaine), Finasteride (Propecia), and sometimes Ketoconazole shampoo, or even Microneedling, forming a multimodal approach to stimulate growth and block hormones (DHT) causing hair loss, with Minoxidil boosting circulation, Finasteride inhibiting DHT, and Ketoconazole reducing inflammation and acting as a mild anti-androgen.