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Reimagining Hair Science: A New Approach to Classify Curly Hair Phenotypes via New Quantitative Geometric and Structural Mechanical Parameters

research Reimagining Hair Science: A New Approach to Classify Curly Hair Phenotypes via New Quantitative Geometric and Structural Mechanical Parameters

May 2023 in “Accounts of chemical research”

This study aimed to identify new quantitative geometric and mechanical parameters for curly and kinky hair using various microscopy and mechanical analysis methods, revealing correlations between hair fiber geometry and mechanical performance to enhance personal care product development and promote cultural inclusion.

research Faculty Opinions recommendation of Autosomal-dominant woolly hair resulting from disruption of keratin 74 (KRT74), a potential determinant of human hair texture.

May 2010 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature”

A mutation in the KRT74 gene causes woolly hair by affecting hair texture.

research Faculty Opinions recommendation of Autosomal-dominant woolly hair resulting from disruption of keratin 74 (KRT74), a potential determinant of human hair texture.

May 2010 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature”

A mutation in the KRT74 gene causes woolly hair by affecting hair texture.

Geometric Classification of Scalp Hair for Valid Drug Testing, More Reliable Than Hair Curl Groups

research Geometric classification of scalp hair for valid drug testing, 6 more reliable than 8 hair curl groups

16 citations , June 2017 in “PLoS ONE”

This small study reports that a 6-group geometric classification method is more reliable for classifying human hair curl, although a digital system could further reduce errors.

research High-throughput phenotyping methods for quantifying hair fiber morphology

4 citations , June 2021 in “Scientific Reports”

This study found that examining hair morphology provides deeper insights than classification, suggesting a potential population stratification artefact between hair curvature and cross-sectional shapes in the examined admixed African-European sample.

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community Is it harder to notice new growth with long hair?

in Styling 3 upvotes 1 year ago

The user is experiencing hair loss and is considering using finasteride again, along with ketoconazole shampoo and curl cream, to manage their long hair. They are concerned about the appearance of new hair growth and the potential shedding phase from minoxidil.

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 Dutasteride made my hair curlier

518 upvotes 3 months ago

Dutasteride improved hair curliness and was preferred over finasteride due to fewer side effects. The user switched from finasteride to dutasteride, taking 0.5mg daily for 6 months.

community My hair became curly after 9 months on fin + min. How common is this?

in Update 144 upvotes 5 months ago

Hair texture changes, such as hair becoming curly, are common when using treatments like finasteride and minoxidil. Users report various experiences with these treatments, including changes in hair density and texture, with some using additional products like alfatrodial, fluridil, and pyrilutamide for hair maintenance.

community Diffuse thinner - How to cosmetically increase the thickness of your hair strands themselves when you don't have bald spots?

6 upvotes 1 year ago

To increase hair density appearance, options include using hair fibers, volume powders, scalp micropigmentation, and a combination of sea salt and holding sprays. Tape-in extensions and clip-in fringes are also considered, but cost and maintenance are concerns.

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SMP Specialist
Hairo Fallas
Newark, NJ, United States

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Hairo Fallas