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Oxidative hair dye changes hair color and structure but doesn't weaken it.

X-ray microscopy can non-invasively show hair structure changes after treatments, but it's less detailed than TEM and needs improvement.

Hair keratins are mainly on macrofibrils in the cortex and in the endocuticle in the cuticle.

Hair is a complex organ, and understanding its detailed structure and growth phases is crucial for analyzing substances within it.

Beautiful hair is flexible and elastic due to its unique double-layered structure and can be enhanced with succinic acid treatment.

Heating human hair creates hollow microtubes with smooth surfaces.

The study found that certain conditioning compounds can penetrate hair and potentially improve its resistance to damage.

The document explains how hair is studied in forensics to identify its source and its role in criminal investigations.

Pilomatricomas don't follow the usual hair follicle cell differentiation process.

Hair analysis can detect drug use but is costly and interpretation is complex.

A new method effectively stains hair samples for study without losing hair sections.

Straight permed hair loses weight faster than virgin hair when heated, but ends up heavier after burning.

High-resolution x-ray images showed three main structures in human hair: medulla, cortex, and cuticle.

All major hair defects involve cuticle abnormalities.

A new keratin treatment can strengthen and protect aging hair.

NaOH treatment improves hair strength and suitability for textiles.

The Brazilian candle flame technique can damage hair by melting the cuticle and exposing the cortex.

Understanding hair follicle development can help improve cashmere quality.

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

Human hair can almost fully recover its structure within about 1,000 minutes after being stretched.

Hair care products mainly work on the hair's surface and need professional guidance for use.

Trichothiodystrophy hair is structurally abnormal with protein and organization issues.

The research found that twisting hair fibers can show changes in stiffness and damage, and help tell apart different hair treatments.

Hair fibers degrade and change color in very basic water.

Sunlight and chemical treatments change hair's internal structure differently, needing specific care.

Neonate scalp hair is thinner, lacks a medulla, and has smaller follicles compared to adult hair.

Glycoconjugate sugars are important for hair follicle development.

Hair fibers break by cuticle cell slipping, shape changing, cuticle fraying, and surface cracking when stretched under specific conditions.

The 16th-century mummy's hair was well-preserved due to a calcium coating.

THH and PAD type III appear together early in hair growth, but deiminated THH appears later, suggesting another factor is involved.