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Zolpidem shows up in hair from the top back of the head after one dose and fades over time, suggesting it gets into hair through blood and sweat.

Acidic sandy clay damages archaeological hair the most, while dry conditions preserve but make it brittle; silicone oil can help keep the hair flexible.

Activated carbon fibers from Metaplexis japonica seed hair are highly effective for removing the dye methylene blue from water.

Merino wool fibers change shape with moisture, while human hair shape stays the same.

The industry should promote pure luxury hair fibers, improve technology, and diversify products to support growers and ensure sustainable use.

Artificial hair fibers help treat scalp scars with few complications and a 20% yearly fiber fall rate.

Biotin helps regulate proteins in the blood, which may explain its role in hair growth.

Artificial hair fibers help treat scalp scars with few complications and a 20% yearly fiber fall rate.

Adding amber particles to polyamide fibers makes them suitable for medical textiles like compression socks.

The study found that a polymer treatment changes the charge on hair surfaces, making bleached hair smoother and less porous.

Human hair structure varies by ethnicity, and certain treatments can improve hair condition and appearance.

Twisting hair weakens it, but strength can be recovered at low twist levels.

Changes in keratin make hair follicles stiffer.

Minoxidil treatment increases aorta elasticity and reduces stiffness in aged mice, potentially helping with age-related heart issues.

Scientists made antibodies to tell cashmere and wool apart, which could improve how we identify animal fibers.

L-cysteine and ultrasound successfully improved rabbit hair fibers for industrial use.

Key genes and pathways affect wool fiber thickness, improving wool quality.

Improving skills and technology in Baluchistan's wool industry could boost quality, jobs, and Pakistan's economy.

Pollution exposure speeds up hair damage.

Lower pH straighteners change hair more but weaken it.

DVI provides detailed 3D imaging of hair and shows how various products protect and enhance hair.

Water quality affects mineral content in hair, and coconut oil can protect against damage.

Scientists created 3D hair-like structures that could help study hair growth and test treatments.

Concrete made from animal bones and human hair is stronger and more environmentally friendly than traditional concrete.

Low ERCC3 gene activity is linked to non-pigmented hair growth.

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

Atomic Force Microscopy is a more accurate way to assess hair damage and the effect of cosmetic treatments.

Disulfide bonds in keratin fibers break more easily under stress, especially when wet, affecting fiber strength.

Tying a knot can measure hair friction, useful for medical applications.

Hair curliness is due to uneven distribution of different cortices within the hair fiber.