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

Higher temperatures improve rabbit hair strength up to 50°C, but moisture weakens it.

Fiber implants effectively treat permanent hair loss with few complications.

Fibre optic confocal imaging can visualize skin layers, blood vessels, and nerves in live mice.

Epidermal growth factor reduces hair growth, but cortisol does not.

Pectin biosynthesis is essential for the growth of cotton fibers and Arabidopsis root hairs.

Mast cell and nerve fiber interactions in mouse skin change with the hair cycle.

Drugs can be incorporated into hair based on their chemical properties and hair pigmentation.

Most zinc in rat sperm is in the tail, linked to structures similar to hair keratin.

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

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

Hair analysis for drugs needs a better understanding of how drugs enter hair, considering factors like hair structure and pigmentation.

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

Infrared and Raman imaging can non-destructively analyze hair structure and help diagnose hair conditions.

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

P2X₃-IR fibers are widespread in rat skin and likely help detect pain.

African hair is curled, Asian hair is thick, European hair is lighter, and chemical methods help identify hair color differences.

The KRTAP15-1 gene affects cashmere fiber thickness in goats.

IL-1 alpha stops hair follicle growth and hair production.

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

Potassium channel openers help form elastic fibers in arteries and can treat elastin deficiency and hypertension.

Small amounts of Vitamin D3 can boost hair growth, but too much can stop it.

Melatonin treatment made ferrets grow their fur earlier and affected their breeding time.

PGA fiber-reinforced collagen sponges improve hair growth and skin structure.

The study found that thioglycolic acid breaks down hair bonds more consistently than l-cysteine, which is less damaging to hair.

Sunlight damages hair, causing cuticle loss, protein changes, and discoloration.

Cashmere fiber diameter in Tibetan goats is influenced by their stress, oxygen, and metabolic adaptations.

Hair sheds gradually from the follicle, with readiness to shed indicated by less attachment material.

Hair can absorb and transfer opiates when soaked in water, with damaged hair absorbing more.

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