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Glossary Exclamation Mark Hairs

short, broken hairs narrower at the base than the tip

Exclamation mark hairs are short, broken hairs that are narrower at the base than at the tip, resembling an exclamation mark. They are often seen in conditions like alopecia areata, where the immune system attacks hair follicles, leading to hair loss. These hairs are a key diagnostic feature for dermatologists when identifying this type of hair loss.

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Research

5 / 1000+ results

research Diagnostic Value of Exclamation Mark Hairs

26 citations , January 1993 in “Dermatology”

This study found that exclamation mark hairs are not exclusive to alopecia areata and can also appear in trichotillomania, challenging their status as a definitive diagnostic marker.

research Trichoscopy of dissecting cellulitis of the scalp: Exclamation mark hairs and white dots as markers of disease chronicity

15 citations , November 2016 in “Journal of The American Academy of Dermatology”

This article discusses the potential of trichoscopy in diagnosing and treating dissecting cellulitis of the scalp and emphasizes the need for early diagnosis to prevent progression but reports no new clinical results.

research Comma hairs: A dermatoscopic marker for tinea capitis

143 citations , October 2008 in “Journal of The American Academy of Dermatology”

This study found that comma hairs are a distinctive feature of tinea capitis caused by Microsporum canis, distinguishing it from alopecia areata, which is characterized by exclamation mark hairs.

research Trichoscopy for common hair loss diseases: Algorithmic method for diagnosis

89 citations , December 2010 in “The Journal of Dermatology”

This study describes characteristic trichoscopic features of various hair loss diseases and proposes an algorithmic method for diagnosing them, but reports no new clinical results.

research Hair Shafts in Trichoscopy

86 citations , October 2013 in “Dermatologic Clinics”

Trichoscopy is a useful non-invasive method for diagnosing different hair loss conditions.

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Community Join

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community Explanation for "dutasteride destroyed my hair"

7 upvotes 2 years ago

Dutasteride can drastically reduce sebum production, leading to dryer hair and shedding. Alternating shampoos and periodic silica supplementation can improve hair quality and thickness.

community 3 months progress pics (20 days ago)

241 upvotes 2 years ago

A user shared their 3-month hair loss treatment progress using 5% minoxidil, 1mg finasteride, and occasional nizoral. They noted significant progress and plan to continue treatments, with another update at the 6-month mark.

community I thought I was a non-responder to minoxidil when it was actually saving my hair

in Minoxidil 62 upvotes 2 years ago

The user started losing hair at 20 and began using minoxidil. After seeing further hair loss, they switched to finasteride, causing more hair shedding. They are now using minoxidil, finasteride (topical and oral), microneedling, and ketoconazole shampoo for recovery.

community Accelerated Hair Loss from Creatine

137 upvotes 10 months ago

Creatine may cause hair loss in some individuals, especially those on finasteride, despite no scientific link. Personal experiences suggest individual sensitivity to DHT could be a factor.

community Hair thinning on dutasteride vs fin? No shed phase

in Finasteride/Dutasteride 18 upvotes 2 years ago

A user switched from finasteride to dutasteride to combat hair thinning but noticed overall thinner hair without shedding. Another user suggested that hair can't thin without shedding and recommended adding finasteride pills for peace of mind.

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