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Hair loss can be caused by various factors, and treatments focus on restoring normal hair growth.

Hair disorders are caused by genetics, environment, hormones, or inflammation, and treatments focus on normalizing hair growth and density.

Segmented hair color changes can indicate active alopecia areata.

The new 3D imaging method accurately measures hair surface details quickly.

DHCer levels in hair could be a biomarker for alopecia progression.

Using three-hair grafts from the back of the head for eyebrow transplantation offers a natural look and reduces scarring.

Caucasian hair is denser, but Asian hair is thicker in female pattern hair loss patients.

The effectiveness of reducing agents on hair fibers depends on their electrode potentials.

The micrometer caliper is a reliable tool for measuring hair diameter for FUE surgery.

Cosmetic treatments like bleaching and perming can greatly reduce opiate levels in hair, possibly leading to false-negative drug tests.

Hair treatments like bleaching increase friction by exposing tiny pores on the hair surface.

A certain surfactant sticks to human hair, making it change from water-repelling to water-attracting, which could help in hair conditioning.

Hair fibers interact through classical forces, which are influenced by treatments and products, important for hair care and other applications.

Hair increases in size when it absorbs water, and treatments like bleaching affect how much water it can take in.

Nutrafol® nutraceuticals improve hair thickness and strength.

Hair's structure and properties change with pH; acidic pH maintains strength and less swelling, while alkaline pH increases water content and swelling.

Light scatters differently from elliptical hair fibers than from circular ones, and a new model better predicts this behavior, especially for shiny highlights.

South American camelids should be sheared early, fleece type affects fiber quality, and the S/P follicle ratio doesn't distinguish between Bolivian llama genotypes.

Researchers developed a new method to identify animal hair in textiles, which is effective for various fibers and more reliable than previous methods.

Hair color affects light reflection, with black hair having higher cuticle angles and lighter hair showing less specular reflection.

Changes in keratin make hair follicles stiffer.

A new method extracts red dyes from wool without damaging it, although it slightly weakens the wool.

Researchers developed a less damaging way to extract red dyes from wool using EDTA and DMF, preserving the fiber's strength for further analysis.

The new method reliably identifies and measures different animal hair fibers in textiles.

Hair properties change under electromagnetic fields and are influenced by individual characteristics and the environment.

Bleaching hair removes its protective top layer and exposes more hydrophilic groups, changing its chemical surface and affecting how it interacts with products.

The Trichoscan system was found to be inaccurate for measuring hair growth, needing better software to be useful.

Different hair fiber brands have unique electrostatic and dielectric properties.

A new system for classifying curly hair types using precise measurements can improve hair care products and cultural inclusion.

Argan, avocado, and coconut oils are absorbed into hair, improving hydration and protection.