That stated, any styling ritual that consists of intense warmth and harsh chemical substances in your scalp and hair—utilizing curling and flat irons, getting frequent perms, chemical straightening procedures, or stress-free remedies—can harm the follicle, and worst case situation, trigger everlasting hair loss.
What you’ll most likely discover
Trichorrhexis nodosa normally includes a mix of hair loss and adjustments in texture: Your hair would possibly look frayed, with small, bead-like nodes alongside the strands, and really feel brittle to the contact.10 “You may additionally discover elevated breakage, and shorter, uneven strands,” Dr. Mitchell says. “In additional extreme circumstances, there could be patches of thinning or an general discount in hair density.”
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5. Extreme dandruff
There’s dandruff after which there’s its extra extreme cousin, seborrheic dermatitis: A pesky pores and skin situation characterised by a rash (which will look darker, lighter, or redder than the encircling pores and skin), in addition to itchy and flaky patches that arrange store in spots with lots of oil glands, together with your scalp. “It’s pushed by an inflammatory response towards organisms that dwell on our scalp—particularly, Malassezia yeast colonies,” Dr. Lo Sicco says.11
These flaky patches, mixed with the oil that’s produced by the scalp, can clog your follicles, in the end impairing the hair’s nutrient provide and weakening its construction (to not point out the next harm—and shedding—that may occur whenever you always scratch your head).12 In the meantime, the inflammatory response disrupts the conventional hair development cycle and might set off telogen effluvium, Dr. Mitchell explains, the place, once more, your hair follicles go on strike for an prolonged interval, solely to later shed in bulk.
What you’ll most likely discover
Other than the entire infected scalp factor, any such hair loss isn’t normally related to dramatic balding, however a gradual discount in hair density—significantly within the type of elevated shedding wherever the seborrheic dermatitis is providing you with essentially the most bother. “The hair itself can also turn into finer and extra fragile because of the inflammatory processes disrupting the expansion cycle,” Dr. Mitchell says.
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6. Infected hair follicles
Folliculitis is a pores and skin situation that strikes when hair follicles turn into infected—say, from bodily irritation (shaving, traction, wigs) or an an infection (bacterial, fungal)—which compromises the integrity of the follicles.13
There are two important forms of folliculitis: superficial and deep. The previous includes solely a part of the hair follicle and can possible heal inside just a few days, whereas the latter consumes the complete follicle and tends to be extra extreme and long-lasting.
“Because the follicle turns into infected, harm can occur to the encircling tissues that disrupt the conventional hair development cycle,” Dr. Mitchell says. “In extreme circumstances, the an infection could result in scarring, inflicting everlasting hair loss.”
What you’ll most likely discover
The actual sort of folliculitis you expertise will rely on the underlying trigger (friction or an infection), however “it sometimes presents as small, acne-like bumps or pustules surrounding the affected hair follicles,” Dr. Mitchell says. “These could also be itchy, tender or painful, and in some circumstances, kind clusters that resemble a rash.” Because the situation progresses, you would possibly begin noticing the encircling pores and skin changing into irritated and darker, lighter, or redder, too.