Psoriasis, which is an inflammatory situation that may have an effect on the pores and skin and joints, may additionally present itself on the scalp as an itchy, flaky scalp. “Topical steroids, vitamin D analogues, and tar-based shampoos are the mainstay of remedy, however typically systemic medicines or native injections are wanted,” Finney says. To seek out out whether or not you might have psoriasis or dandruff, he advises searching for a dermatologist for an examination.
What causes it?
As with eczema discovered elsewhere in your physique, it relies upon. “The trigger can vary from underlying medical circumstances like Parkinson’s to an allergic response to a hair dye,” Idriss explains.
If the scalp rash is brought on by an allergen that touches your pores and skin, it’s known as allergic contact dermatitis. “It’s usually coming from a shampoo conditioner, dry shampoo, hairspray, or merchandise that you simply’re utilizing which can be making a response,” Connecticut-based board-certified dermatologist Mona Gohara says. When sufferers come to her about their scalp eczema, the very first thing she finds out is whether or not they’ve been utilizing any new or totally different hair-care merchandise — or have not too long ago dyed their hair.
Dandruff, one of many widespread signs of scalp irritation, will also be a results of underlying medical circumstances that may disrupt the microbiome of the pores and skin. Individuals who undergo from dandruff usually produce an excessive amount of sebum of their scalp attributable to a genus of fungi known as Malassezia, which is of course present in your pores and skin microbiome, however wreaks havoc when there may be an excessive amount of of the fungi producing oleic acid waste.
“Particularly when the climate is hotter and extra humid, and sweating causes oil to turn into trapped on the pores and skin,” New York Metropolis-based board-certified dermatologist Joshua Zeichner explains. “This creates an atmosphere that enables for overgrowth of yeast, driving irritation.” Folks with Parkinson’s illness, for instance, can develop oilier-than-usual pores and skin on their face and scalp, which might result in seborrheic dermatitis.
Sadly, when searching for soothing options, don’t attain for the hydrating conditioner instantly. “Many individuals see flakes on the pores and skin and suppose that they should apply moisturizers or oils,” Zeichner says. “Nevertheless, this truly could make issues worse, permitting much more yeast to develop within the oily atmosphere.”
Ought to I deal with scalp eczema otherwise than I might eczema on my physique?
It’s much less about treating scalp irritation otherwise from eczema on the remainder of your physique than determining whether or not your signs triggered by irritants or by underlying medical circumstances that disrupt your pores and skin’s stability. That may be troublesome to determine with out searching for skilled recommendation from a dermatologist. “Avoiding triggers is crucial to attenuate worsening of signs,” Idriss explains. “Therefore, the significance of searching for assist from a board-certified dermatologist who might help you slender down the trigger by numerous testing strategies — particularly, patch-testing.”