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Some congenital hair disorders improve with age and can be managed with treatments like minoxidil, retinoids, supplements, and gentle hair care, but there's no cure.

Human hair protein extracts can protect skin cells from oxidative stress.

Permanent hair dye mixtures can irritate and damage the skin.

A tough membrane between the outer and inner layers of human hair protects it from damage.

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

Adding human hair to sand improves its strength when dry and maintains strength when wet.

Adding human hair to clayey soil makes it stronger, even after freeze-thaw cycles, and is eco-friendly and cheap.

Curly hair is mechanically different from straight hair and may need new testing methods.

Bleaching hair increases cysteic acid levels in a predictable way.

Synthetic hair implants can cause severe infections and are risky.

Researchers extracted tiny keratin filaments from human hair by unzipping its outer layer.

Silicone pretreatment protects hair from damage and reduces color fading without interfering with bleaching or dyeing.

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

Breast cancer may be detectable through changes in scalp hair lipids.

A man developed skin cancer on his scalp after multiple artificial hair grafts.

A new method accurately measures amino acids in treated hair, showing bleaching reduces amino acids while protein treatments increase them.

Chemical treatments on bleached black hair change its internal structure by breaking and reforming bonds, and treatments with hydrolyzed eggwhite protein help repair it.

Grape seed oil improved hair quality the most, followed by rosehip and safflower seed oils, and reduced damage from shampoo.

Certain miRNAs play a key role in the growth of cashmere by affecting hair follicle development and regeneration.

Calcium and magnesium in hair increase with age and are higher in adult women.

Teratoma hair is similar to scalp hair but has a rougher surface and lower adhesive force.

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.

Washing permed hair after using thioglycolic acid helps reform strong bonds, making hair stronger.

The technique showed that human hair has two main parts, with 68% being rigid and the rest flexible, and water swelling affects its structure.

Most patients were happy with the hair fiber filler and had no serious side effects.

Adding human and horse hair fibers to concrete can increase its strength.

The medulla in Asian scalp hair has a tubular structure that allows ions and large molecules to flow through it.

Immuno-cosmeceuticals from chicken egg yolk can effectively repair and improve damaged hair.

Ethanol spreads well on hair at low humidity but less so at higher humidity due to water condensation.

KAP-depleted hair causes less immune response and is more biocompatible for implants.