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Glossary Hair Direction

natural angle and pattern of hair growth

Hair direction refers to the natural angle and pattern in which hair grows out of the scalp. This can vary from person to person and can influence how hair is styled, how it falls, and how it responds to different haircuts. Understanding hair direction is crucial for professionals in hairdressing and dermatology to achieve desired styling results and to address issues like hair loss or scalp conditions effectively.

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Research

5 / 1000+ results

research Determination of follicular direction and preparation of micrograft holes for hair transplantation

January 2019 in “Srpski Arhiv Za Celokupno Lekarstvo”

This study found that using the same number of needles as planned grafts in hair transplantation improved operation time, hair growth direction, and patient satisfaction among 56 patients, with a 95% graft success rate.

research Assessment of the photoprotection properties of hair cosmetics using the hemispherical directional reflectance method

1 citations , October 2023 in “Skin Research and Technology”

In this study, researchers found that while sunscreens added to hair products do not provide expected protection, the dark hair absorbs the most radiation across all wavelengths, indicating a need for enhanced protection.

research Recipient Area Hair Direction and Angle in Hair Transplanting

June 2004 in “Dermatologic Surgery”

This study outlines a technique for hair transplantation that maintains natural hair flow and density by mimicking natural hair direction and angle without accelerating hair loss in the recipient area.

research Natural Asymmetry in Hair Growth Direction: Implications for Hairline Design in Male Patients

March 2025 in “Journal of Craniofacial Surgery”

This study found that male hairlines naturally exhibit significant rightward asymmetry, suggesting that embracing this asymmetry in hair transplant procedures may result in more natural-looking outcomes.

research Directing Rat Hair Follicle Stem Cells Toward Neuronal Lineage With Enhanced Trophic Factor Expression

September 2024 in “Advanced Biomedical Research”

In this study, chick embryo extract enhanced neuronal differentiation and trophic factor expression in rat hair follicle stem cells, suggesting potential improvements for stem cell therapies in neurodegenerative diseases.

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Community Join

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community My hair density on finasteride plus oral minoxidil vs 6 months on dutasteride and oral minoxidil

260 upvotes 9 months ago

The user experienced improved hair density using dutasteride and oral minoxidil compared to finasteride and minoxidil, with no significant side effects. The user took 2.5 mg of minoxidil and 0.5 mg of dutasteride daily.

community Hair follicle cloning is already possible

in Chat 38 upvotes 1 year ago

Hair follicle cloning is claimed to be possible but not widely available due to potential safety issues, such as cancer risks. Current treatments like finasteride and dutasteride are not effective for everyone, and there is frustration over limited access to these medications.

community Why do Hair Transplant procedures take a rectangle from the donated area?

in Transplants 6 upvotes 1 month ago

Hair transplants typically involve spreading follicle extraction across the back and sides of the head to maintain an even appearance, rather than taking a solid rectangle of grafts. FUT procedures, which involve taking a strip of skin, are less common now due to advancements in techniques like FUE, which heal well and are less invasive.

community Another mechanism to hair loss that isn’t talked about. Heavy metals and follicle waste.

16 upvotes 2 months ago

Hair follicles can store waste, potentially leading to hair loss, and treatments like DHT blockers and Minoxidil are suggested. Scalp inflammation and sensitivity to DHT also contribute to hair loss, and addressing these factors with a clinician is recommended.

community Hair falling out on Finasteride?

in Transgender 11 upvotes 4 months ago

Shedding is common when using finasteride and minoxidil, and it typically stabilizes after a few months, with potential regrowth following. Users report varying experiences, but shedding is generally seen as a normal part of the treatment process.

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Learn

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learn Follistatin

glycoprotein that inhibits TGF-β and promotes hair growth by antagonizing activin

learn Osteopontin

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

learn Hair Fibers

cosmetic product that temporarily makes hair appear thicker

Do hair fibers really make thinning hair look fuller, or is it just an illusion? Hair fibers create an optical illusion of fullness but do not actually thicken hair.
How do you apply hair fibers correctly so they stay in place all day? Apply hair fibers to clean, dry hair and use a setting spray for better hold.
Can hair fibers be used along with medical treatments like minoxidil or finasteride? Yes, hair fibers can be used with minoxidil or finasteride without any chemical interaction.
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learn Hair Multiplication

extract, clone, and reinsert your own hair cells

learn Hair Transplant

Hair transplantation moves DHT-resistant follicles from a donor area (back and sides of the scalp) into thinning or bald areas. The transplanted hair is generally permanent, though surrounding native hair can keep thinning.

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Clinics

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Experts

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Unscored
SMP Specialist
Hairo Fallas
Newark, NJ, United States

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Hairo Fallas