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research Analyzing the laser-light reflection from human hair fibers. I. Light components underlying the goniophotometric curves and fiber cuticle angles.
The research found a way to measure hair surface changes by analyzing how light reflects off of it, and determined hair cuticle angles vary by hair length and color.
research Studies of light scattering from ethnic hair fibers
Different hair types from various ethnic groups affect hair shine due to characteristics like thickness and shape.
research Analyzing the laser-light reflection from human hair fibers Part1: Light components underlying the goniophotometric curves and fiber cuticle angles
Hair color affects light reflection, with black hair having higher cuticle angles and lighter hair showing less specular reflection.
research Analyzing the laser‐light reflection from human hair fibers. II. Deriving a measure of hair luster
The conclusion is that a new method to measure hair shine was confirmed to match people's visual assessments.
research Optical properties of hair: effect of treatments on luster as quantified by image analysis.
Treatments with certain oils and resins make hair shinier, while zinc oxide and synthetic sebum make it duller.
Community Join
5 / 1000+ resultscommunity Bryan Johnson used a customized formula by Roots byGA to restore his hair
Bryan Johnson used a customized hair restoration formula from Roots byGA, which includes Minoxidil, Cetirizine HCl, Latanoprost, Dutasteride, Melatonin, Caffeine, Tretinoin, Vitamin D3, and Vitamin E. Many users are skeptical of the effectiveness and uniqueness of the treatment, suggesting that standard treatments like Minoxidil and Dutasteride are more reliable.
community Does your hair also look depressingly awful under fluorescent lights?
Fluorescent lighting makes hair look thinner, causing concern about appearance. Some users consider treatments like DUT, while others share experiences of hair looking better in different lighting or conditions.
community God bless H&M's fitting room lighting
Diffuse thinners find shopping challenging due to harsh overhead lighting, but H&M's side lighting in fitting rooms is more flattering. Many users humorously suggest banning overhead lighting to improve the shopping experience.
community Lighting is wild. Look at the dramatic difference in hair not even moving but just spinning in a circle.
The importance of lighting when taking progress pictures and discussing hair growth, as dramatic changes can be seen even without real improvements. The users also discussed methods such as Fin min and dermarolling for treating hair loss.
community Just took a pic of my hair under direct sunlight for the first time in months. Instant regret.
The conversation is about disappointment with hair loss progress despite using treatments like finasteride, minoxidil, nizoral, tretinoin, and a dermaroller. Direct sunlight revealed more hair loss than expected, prompting continued treatment and hope for improvement.