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Different ethnic hair types have unique nanoscopic and molecular features despite having the same basic keratin structure.

Gene regulation could revolutionize hair color by altering pigmentation from within.

Microbeam radiation therapy's dose distribution changes with depth.

Hair dye with para-phenylenediamine can cause skin depigmentation.

Hair chromium levels show past nutritional status, not environmental exposure.

A new method accurately measures minoxidil and finasteride in medicines.

Two finasteride preparations are bioequivalent.

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

Reticulocyte hemoglobin content is the best indicator of iron deficiency in women with diffuse non-scarring hair loss.

Different oils penetrate hair differently; monounsaturated oils like olive oil penetrate better than polyunsaturated oils.

Hair coloring in 2026 requires precise science and safe techniques.

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

Camel hair structure, not color, helps camels stay cool in the desert.

Hair analysis can help screen for serious diseases like cancer and osteoporosis.

The two Eclipta alba varieties can be distinguished by their chemical differences.

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.

The new assay can track and measure melanosome transfer between skin cells, confirming filopodia's role in this process.

Keratin proteins are consistent across different hair types from the same person.

Hair microscopy is a useful and affordable way to diagnose hair disorders.

Two specific hair keratin genes are active during hair growth and decline as hair transitions to rest.

Chemical dyes damage hair's internal structure more than perming, as shown by a special imaging technique.

Dark skin has stronger barriers and structure due to specific gene activity.

Hair microscopy is a simple and cost-effective method to help diagnose systemic diseases in children.

Pigmentary mosaicism causes skin color changes and can affect multiple body systems, but has no cure.

Skin pigmentation increases in CRPS-affected areas and improves with symptom relief.

Pharmacophore models can predict liver toxicity and central nervous system toxicity, but they have limitations and specific requirements.