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research The Secrets of Beautiful Hair: Why is it Flexible and Elastic?

2 citations , July 2019 in “Cosmetics”

This study identified a unique concentric double-layered structure in both Japanese and Caucasian SHINAYAKA hair, associated with improved flexibility and elasticity, and developed a succinic acid treatment to enhance these properties.

research THBS4 promotes hair regeneration by inducing dermal mechanical niche adaptation

June 2026 in “Research Square”

This study identified a group of dermal fibroblasts near hair follicle stem cells in mice that facilitate hair regeneration by creating a biomechanically compliant extracellular matrix, enhancing stem cell activation and promoting a positive feedback loop for tissue regeneration.

research On the correlation between the curvature of the human eyelash and its geometrical features

9 citations , July 2018 in “Acta biomaterialia”

This study reports a good correlation between the curvature of human eyelashes and the displacement of the neutral axis, influenced by the non-uniform thickness of the outer cuticle layer.

research Tribological Properties between Taut Hair Fibers in Wet Conditions: A New Shampoo Formulation for Eliminating Stick‐Slip Friction

4 citations , March 2021 in “Journal of Surfactants and Detergents”

This study found that hair treated with shampoo containing water-soluble silicone demonstrated smoother sliding and better detangling, compared to shampoo with water-insoluble silicone, due to differences in conditioning film formation.

Minoxidil Improves Vascular Compliance, Restores Cerebral Blood Flow, and Alters Extracellular Matrix Gene Expression in a Model of Chronic Vascular Stiffness

research Minoxidil improves vascular compliance, restores cerebral blood flow, and alters extracellular matrix gene expression in a model of chronic vascular stiffness

34 citations , July 2018 in “American Journal of Physiology-heart and Circulatory Physiology”

Minoxidil improves blood flow and vessel flexibility, potentially helping with vascular stiffness.

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community Hair loss research focused on chemistry for decades because we misunderstood the mechanics of growth.

51 upvotes 7 months ago

Hair growth relies on mechanical forces, not just chemicals, with tissue acting like a motor. Minoxidil and finasteride help, but maintaining tissue elasticity and addressing mechanical issues are essential.

community Is the “crunching” sound during microneedling my scalp actually the needles cutting through hair?

161 upvotes 5 months ago

The "crunching" sound during microneedling is likely the needles penetrating the scalp's outer layers, not cutting hair. Users suggest using a derma stamp instead of a roller to avoid potential hair damage.

community Clearing the air on how non-surgical treatments really work

16 upvotes 7 years ago

Treatments for hair loss, including finasteride, dutasteride, minoxidil, ketoconazole, microneedling, and low level laser light therapy, which aim to reduce DHT production, increase cell absorption and blood flow, and stimulate epidermal stem cells. It also stresses the importance of patience when using these treatments.

community People who don’t microneedle, why?

146 upvotes 11 months ago

Microneedling is often combined with minoxidil for hair growth, but concerns about scalp damage, pain, and effectiveness deter some users. Alternatives like finasteride, dutasteride, tretinoin, and laser treatments are preferred by others.

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Clinics

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Hair Loss Treatments
Inner Health . Outer Beauty by Erika Van Hulzen PA-C, VMA Physician Assistant, Inc.San Diego, CA · US

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Hair Transplant Surgeon
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Visakhapatnam, India

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