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Glossary Hair Shape

physical form of individual hair strands

Hair shape refers to the physical form or structure of individual hair strands, which can be straight, wavy, curly, or coily. This shape is primarily determined by the shape of the hair follicle and the distribution of keratin proteins within the hair shaft. For example, round follicles typically produce straight hair, while oval or asymmetrical follicles result in wavy or curly hair.

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Research

5 / 1000+ results

research Dermal papilla cell number specifies hair size, shape and cycling and its reduction causes follicular decline

211 citations , April 2013 in “Development”

In this study, researchers found that the number of dermal papilla cells in hair follicles determines hair size and shape in mice, suggesting potential avenues for addressing hair loss.

research Hair shape of curly hair

78 citations , June 2003 in “Journal of the American Academy of Dermatology”

This article reviews the autonomous functioning and complex interactions within hair follicles, emphasizing their unique composition and differentiation pathways, but does not report new research findings.

research Human Hair and the Impact of Cosmetic Procedures: A Review on Cleansing and Shape-Modulating Cosmetics

53 citations , July 2016 in “Cosmetics”

This study reviews the biology and cosmetic treatment of hair, emphasizing future advancements in safer, more effective procedures to meet consumer needs for hair care.

research Runx3 is involved in hair shape determination

34 citations , June 2005 in “Developmental dynamics”

This study found that Runx3 deficiency in mice affects hair type and shape, suggesting it may regulate hair formation through interactions between dermal and epidermal layers.

research The biology of hair shape

26 citations , September 2005 in “International Journal of Dermatology”

Hair shape is determined by genetic, molecular, and cellular factors.

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Learn

6 / 66 results

learn Hair Transplant

Can I shave after a hair transplant? Wait at least 10-14 days before shaving after a hair transplant.
Do I need to shave my head for a hair transplant? Shaving your head is not always necessary for a hair transplant.
Can I style or care for my transplanted beard after the hair transplant? You can style and care for your transplanted beard like natural hair after it heals.
All 5 questions on Hair Transplant →

learn Hair Fibers

cosmetic product that temporarily makes hair appear thicker

learn Valproic acid

an anticonvulsant repurposed for hair loss via histone inhibition

learn Estradiol

an estrogen promoting hair regrowth more commonly used in women

learn Alopecia Areata

autoimmune disorder causing patchy hair loss

learn Osteopontin

signaling protein that, when suppressed, may grow hair by reducing inflammation and stem cell loss

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Community Join

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community New hair institute, Seoul, Dr Ko - 2000 graft no shave fue

in Transplants 55 upvotes 1 year ago

A user shared their positive experience with a no shave FUE hair transplant by Dr. Ko in Seoul, including aftercare with oxygen therapy, red light therapy, and prescribed dutasteride and oral minoxidil (2.5mg daily). The procedure cost over $5,000 USD, and the user is satisfied with the results.

community Shampoo + Protein shake causing hair shedding?

in Ketoconazole 1 year ago

The user started using ketoconazole shampoo and whey protein shakes and noticed increased hair shedding, seeking advice on whether these could be the cause. Another user shared their experience with hair loss after starting protein shakes and mentioned using finasteride, which eventually improved their hair condition.

community 22y i actually shaved some months ago but still want to grow my hair

15 upvotes 3 weeks ago

The conversation discusses hair loss treatments, recommending finasteride, minoxidil, and ketoconazole, with some users suggesting dermarolling and dutasteride. The consensus is that starting treatment early, especially at a young age, can improve chances of hair regrowth.

community Bryan Johnson shares information on his hair loss stack

in Research/Science 267 upvotes 1 year ago

Bryan Johnson uses topical dutasteride, minoxidil, and microneedling for hair loss. Users discuss treatment effectiveness and side effects, debating topical versus oral dutasteride efficacy.

community Please help.Shaved my head. On Finasteride for 3 weeks now. Shedding small, transparent hairs and hair on top has thinned

5 upvotes 7 years ago

A user is concerned about hair thinning and shedding after starting finasteride for hair loss. They are advised to continue the treatment as it may take several months to see improvement, and stopping could lead to further hair loss.

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Clinics

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All 31 clinic results →

Experts

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Unscored
SMP Specialist
Hairo Fallas
Newark, NJ, United States

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Hairo Fallas