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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 Bubble hair – a possible explanation for its distribution

11 citations , May 1998 in “International Journal of Dermatology”

This case report describes a 23-year-old woman who experienced hair breakage along her anterior hairline due to the formation of bubbles in the hair shafts from blow-drying techniques.

Activation of Cytoprotective Prostaglandin Synthase-1 by Minoxidil as a Possible Explanation for Its Hair Growth-Stimulating Effect

research Activation of Cytoprotective Prostaglandin Synthase-1 by Minoxidil as a Possible Explanation for Its Hair Growth-Stimulating Effect

81 citations , February 1997 in “Journal of Investigative Dermatology”

This study suggests that minoxidil activates PGHS-1, which may explain its hair growth-stimulating effects and could aid in designing more potent hair growth-promoting drugs.

15-Deoxy Prostaglandin J2, The Nonenzymatic Metabolite Of Prostaglandin D2, Induces Apoptosis In Keratinocytes Of Human Hair Follicles: A Possible Explanation For Prostaglandin D2-Mediated Inhibition Of Hair Growth

research 15-deoxy prostaglandin J2, the nonenzymatic metabolite of prostaglandin D2, induces apoptosis in keratinocytes of human hair follicles: a possible explanation for prostaglandin D2-mediated inhibition of hair growth

11 citations , May 2016 in “Naunyn-Schmiedeberg's Archives of Pharmacology”

This study found that 15-dPGJ2 promotes apoptosis in human follicular keratinocytes, suggesting its potential role in developing hair loss prevention treatments through DP2 antagonism.

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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 What Are the Technicalities of Curved Hair Transplantation?

4 upvotes 5 months ago

Curved hair transplantation requires specialized tools and techniques to avoid damaging hair follicles, with modified FUE being the preferred method. Proper extraction and implantation angles are crucial to prevent complications like keloids and sterile folliculitis.

community 3 hair transplants + finasteride + minoxidil (full review)

in Transplants 120 upvotes 1 year ago

A user shared their experience with three hair transplants, finasteride, and minoxidil to combat severe hair loss, achieving significant regrowth. They discussed the process, costs, and maintenance, emphasizing that transplanted hair is permanent and doesn't require ongoing medication.

community A Guide for the best shampoos for thinning hair that actually make a difference

in Chat 4 months ago

Shampoos can help with thinning hair by improving scalp health and reducing breakage, but they can't address genetic or hormonal causes. Effective treatments often include using topical minoxidil and finasteride, while the right shampoo varies per individual needs.

community Losing hair without the white bulb, Tressless GPT's Response. Do you guys agree?

4 upvotes 1 year ago

Hair loss without a white bulb may indicate mechanical damage, anagen effluvium, alopecia areata, or traction alopecia. Seeking a specialist is recommended, but access can be difficult in smaller areas.

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