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Glossary Light Scattering

light deflects in various directions when hitting particles or irregularities

Light scattering refers to the process by which light rays are deflected in various directions when they encounter particles or irregularities in a medium, such as air, water, or biological tissues. This phenomenon is crucial in fields like biology and medicine, as it helps in imaging techniques and understanding how light interacts with cells and tissues, which can be particularly relevant in diagnosing conditions like alopecia through non-invasive methods.

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Research

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research Light scattering from human hair fibers

161 citations , July 2003 in “ACM Transactions on Graphics”

In this study, a new shading model for hair was developed that better matches real-life light scattering, thanks to detailed new measurements of hair fiber scattering not predicted by existing models.

research Light scattering from human hair fibers

90 citations , July 2003

This study introduced a new hair shading model that more accurately simulates light scattering on hair fibers, capturing effects not predicted by previous models.

research Studies of light scattering from ethnic hair fibers

7 citations , July 2004 in “International Journal of Cosmetic Science”

Different hair types from various ethnic groups affect hair shine due to characteristics like thickness and shape.

research A reciprocal lattice approach to assessing the luster of hair fibers, based on scattering by periodically deformed cylinders

March 2005 in “International Journal of Cosmetic Science”

A new method helps understand hair shine and various products improve hair care.

Analyzing the Laser-Light Reflection from Human Hair Fibers Part 1: Light Components Underlying the Goniophotometric Curves and Fiber Cuticle Angles

research Analyzing the laser-light reflection from human hair fibers Part1: Light components underlying the goniophotometric curves and fiber cuticle angles

January 2003 in “Research Portal (King's College London)”

This study employed a laser-based method to analyze how light reflection patterns vary on human hair fibers, revealing changes related to hair color and the tilt of the cuticle cells.

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Community Join

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community Red Light Therapy: Cheap Chinese LED caps are better than $3000 laser caps

in Research/Science 37 upvotes 1 year ago

Affordable 92-LED caps may be more effective for hair growth than expensive 270-laser caps due to higher power output and irradiance. The LED caps deliver more energy to the scalp, making them a cost-effective alternative for red light therapy.

community Progress (or lack there of) - Finasteride 9 months

11 upvotes 1 year ago

The user has been using finasteride, minoxidil, and Nizoral for 9 months with little progress in hair regrowth and is considering switching to dutasteride. They experience daily scalp pain and anxiety, and are exploring other treatments like Head & Shoulders and consulting a dermatologist.

community Damn...I've made some real progress, yeah??

996 upvotes 1 year ago

A user shared their significant hair regrowth progress using topical minoxidil, oral finasteride, and minoxidil chews, while transitioning to generic versions. They also mentioned using batana oil and microneedling, with no side effects reported.

community Black light diagnosis of folliculitis

3 upvotes 1 month ago

A user observed orange fluorescence on their nose and hair under a black light, indicating Cutibacterium acnes, which may contribute to hair loss alongside androgenic alopecia. A suggestion was made to use coal tar shampoo to address the issue.

community A little more than a month using red light therapy. I'm surprised by the progress.

263 upvotes 5 months ago

Red light therapy has shown promising results in hair regrowth for the user, who avoids minoxidil and finasteride due to side effects. The user follows a healthy lifestyle with diet, exercise, and sauna use, and will continue monitoring the therapy's effectiveness.

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