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Electrophoresis can effectively analyze hair proteins for forensic use, even after cosmetic treatments and up to 2 years of weathering.

Hair has unevenly distributed proteins and lipids, with lipids mainly in the cuticle and proteins in the cortex and medulla.

The study improved understanding of keratin fiber structure by showing consistent microfibril diameter but varying distances and electron density profiles.

Chemical treatments and light exposure damage hair proteins.

Alopecia Areata causes significant structural and compositional changes in hair.

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.

Elemental composition of hair affects its x-ray diffraction patterns.

Sunlight simulation causes skin inflammation, with different skin types reacting at different levels of exposure.

A new method can quickly and accurately detect drugs in hair.

LA-ICP-MS can effectively track mercury exposure over time in hair.

A new method was developed to detect pesticide residues on apples without damage.

The method shows how hair lipids form specific patterns and their roles in hair structure.

The conclusion is that a new method can identify cosmetic residues on hair and match them to their products.

A new fluorescent material can detect dextran sulfate sodium, turning green when present, useful for forensic and environmental monitoring.

UV-induced autofluorescence is effective for identifying different types of alopecia.

L-cysteine slows down the breaking of bonds in hair due to electrostatic interactions.

Infrared techniques reveal glycogen, unsaturated lipids, and calcium compounds in hair.

Selective photothermolysis can target sebaceous glands and may treat acne effectively.

Curly and straight hair differ in how their internal fibers are arranged.

Dermoscopy is useful for diagnosing and monitoring discoid lupus erythematosus by showing specific skin patterns.

The conclusion is that a new method to measure hair shine was confirmed to match people's visual assessments.

Researchers developed a method to identify animal fibers in textiles, which works on processed and blended materials.

The method effectively maps lead and zinc in hair, aiding understanding of heavy metal exposure risks.

Trace elements like calcium, iron, and zinc are unevenly distributed in hair, while sulfur is even, and increased phosphorus and potassium levels are linked to skin reactions.

Both laser treatments improved acne scars similarly, but the Nd:YAG laser was safer and less painful, while the Er:YAG laser left patients slightly more satisfied.

Topical squaric acid dibutylester worsened discoid lupus erythematosus in a patient.