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Glossary Scalp Thickness

combined depth of skin and tissue layers on the head

Scalp thickness refers to the combined depth of the skin, subcutaneous tissue, and other layers that make up the scalp. It can vary between individuals and different areas of the scalp, typically ranging from 5 to 8 millimeters. Understanding scalp thickness is important for medical professionals when performing procedures like hair transplants or scalp surgeries, as it affects the approach and techniques used.

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Research

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research Enhancing Lower Extremity Defect Coverage: High Viability Ultra-Thin Split-Thickness Skin Grafts Obtained from the Scalp

2 citations , September 2023 in “Journal of clinical medicine”

This study found that using autologous ultra-thin split-thickness skin grafts from the scalp with the DermaBlade tool led to rapid wound healing, minimal complications, and improved cosmetic outcomes for 90% of patients with lower extremity lesions, without causing scarring or alopecia.

research Safety and efficacy of hairy scalp donors in thick split-thickness skin grafting: Healing and complications at donor sites

2 citations , December 2024 in “JPRAS Open”

In this study, patients experienced scarless regenerative healing of scalp donor wounds, and the researchers highlighted that proper wound dressing can prevent alopecia and scarring in infected wounds, suggesting the potential of scalp skin grafts for optimal healing.

A 2% Oleosome-FGF-2 Fusion Extract Scalp Serum Improves Hair Density, Anagen/Telogen Ratio, Hair Shaft Thickness, and Scalp Barrier in Women with Shedding-Prone Hair: A Randomized, Single-Blind, Placebo-Controlled Pilot Study

research A 2% Oleosome-FGF-2 Fusion Extract Scalp Serum Improves Photo-trichogramDerived Hair Density, Anagen/Telogen Ratio, Hair Shaft Thickness, and Scalp Barrier Parameters in Women with Shedding-Prone Hair: A Randomized, SingleBlind, Placebo-Controlled Pilot Study

July 2026 in “International Journal of Clinical & Experimental Dermatology”

This exploratory pilot study reported that using a 2% Oleosome-FGF-2 fusion extract scalp serum twice daily for 84 days in women with telogen effluvium and brittle hair improved hair density, anagen/telogen ratio, hair shaft thickness, and scalp hydration compared to a placebo.

A Clinical Study to Evaluate the Effectiveness of Rosmarinus Officinalis Mother Tincture in Improving Hair Volume and Density in Patients with Diffuse Cyclical Hair Loss Through Hair Shedding Visual Scale and Ponytail Thickness Test

research A Clinical Study to Evaluate Effectiveness of Rosmarinus officinalis Mother Tincture in Improving Hair Volume and Density in Patients with Diffuse Cyclical Hair Loss Through Hair Shedding Visual Scale and Ponytail Thickness Test

March 2026 in “International Journal of Research and Review”

This clinical study found that Rosmarinum officinalis mother tincture significantly improved hair volume and density in individuals with diffuse hair loss by enhancing hair parameters measured through a hair shedding visual scale and ponytail thickness test.

Sonographic Comparison of Subcutaneous Fat Layer Thickness in the Scalp Area in Patients with Androgenetic Alopecia Compared to Healthy Individuals: Cross-Sectional

research Sonographic comparison of subcutaneous fat layer thickness in the scalp area in patients with androgenetic alopecia compared to healthy individuals: Cross‐sectional

1 citations , July 2024 in “Skin Research and Technology”

In this study, the researchers compared subcutaneous fat in the frontal and occipital scalp regions, which are affected and spared in androgenetic alopecia respectively, to better understand the role of subcutaneous fat in the condition's pathogenesis.

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Community Join

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community Scalp Exohealer with RF Microneedling

141 upvotes 4 months ago

The conversation is about using RF microneedling with ExoHealer, along with finasteride and minoxidil, to improve hair thickness and reduce shedding. The user reports noticeable improvements in scalp texture and oiliness, with plans to consider stem cell treatments in the future.

community Subcutaneous Scalp fat and Hair loss? Interested in others annecdotal experience or knowledge.

6 upvotes 3 years ago

Subcutaneous scalp fat may be linked to hair loss, with theories suggesting that fat loss can lead to reduced blood flow and increased DHT activity, contributing to hair loss. Treatments discussed include PRP/PRF injections and fat transfer to improve scalp thickness and blood flow.

community Good shampoo recommendations - improve thickness and health

in Product 6 upvotes 4 months ago

The conversation is about finding a good shampoo to improve hair health and thickness, with recommendations including ketoconazole, pura’d’or, Head & Shoulders Dermaxpro, OGX Argan Extra, and OGX apple cider vinegar shampoo. Users discuss experiences with ketoconazole and suggest adding a scalp cleanser with glycolic acid to the routine.

community Anyone on Dutasteride have reduced scalp oil?

in Finasteride/Dutasteride 13 upvotes 1 year ago

Dutasteride may reduce scalp oil and itchiness more effectively than finasteride, with some users experiencing drier skin and improved hair thickness. Users report varying results, with some noticing benefits after switching from finasteride to dutasteride, while others use a combination of treatments including minoxidil.

community Any way to reverse scalp atrophy?

1 upvotes 6 years ago

The conversation is about improving scalp appearance by regaining adipose tissue and making the skin look better using scalp massages and a moisturizer with hyaluronic acid, ceramides, and urea. The user is not trying to regrow hair but wants to improve the scalp's thickness and appearance.

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Learn

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learn Platelet-Rich Plasma

growth factors taken from your blood and injected into your scalp to stimulate hair

learn Mesotherapy

technique to inject very small amounts of beneficial chemicals into the scalp

learn Castor oil

a traditional, natural remedy touted for promoting scalp health and hair growth

learn Bimatoprost

a synthetic prostamide used to treat eyelashes also shows promise for stimulating hair growth on scalp

learn Low Level Laser Therapy

laser therapy for anti-inflammatory and likely insignificant hair regrowth effects

learn Scalp Micropigmentation

What is Scalp Micropigmentation and how does it help people with visible hair loss? Scalp Micropigmentation creates the illusion of hair follicles on the scalp for visible hair loss.
Can Scalp Micropigmentation actually make hair look thicker, or is it just a cosmetic illusion? Scalp Micropigmentation creates the illusion of thicker hair by reducing scalp visibility.
How long does Scalp Micropigmentation last, and does it need touch-ups over time? Scalp micropigmentation lasts 2 to 8 years and requires touch-ups every 1 to 5 years.
All 5 questions on Scalp Micropigmentation →

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Clinics

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Experts

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24
Trichologist
Kirsten J. Scalp
Greenville, SC, United States

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Kirsten J. Scalp