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Keratinocytes help keep hair follicle cells and skin cells separate in 3D cultures, which is important for hair growth research.

Biotin improved hair appearance in uncombable hair syndrome but didn't change hair structure.

Loose anagen hair syndrome is caused by structural abnormalities in the hair follicle's inner root sheath.

The outer root sheath in hair follicles changes during growth, with different keratinization processes in its layers.

Different conditions affect how hair proteins assemble, and certain mutations can change their structure.

Different hair care methods affect hair health and appearance, and there are many ways to camouflage hair loss.

A 4-year-old girl had a rare hair disorder affecting only part of her scalp.

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

Hair ages as the cuticle wears down, especially beyond 1 meter from the root, affecting its strength and shine.

Plica polonica is a rare condition where hair becomes irreversibly tangled, and the treatment is to cut the matted hair.

Rabbits lacking the Hoxc13 gene show similar hair and skin issues to humans with ECTD-9, making them good for research on this condition.

Four children had unmanageable pale blond hair due to uncombable-hair syndrome.

Human hair has different protein structures in its cuticle and cortex.

Microfibrils are key for permanent waves, and hydrolyzed keratin improves wave formation and hair condition.

Notch pathway activation causes abnormal hair layer development.

New methods efficiently isolate dermal papilla cells from hair follicles, preserving their characteristics better than traditional methods.

Defective mink guard hairs have split tips and missing cuticle cells, causing a metallic sheen.

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

Hair damage increases significantly with higher temperatures and longer heating times.

Understanding how keratin structures in hair are arranged and interact is key for creating methods to extract and purify them.

Loose anagen hair syndrome causes easily pulled, thin hair in kids but is harmless and temporary.

Human beard hair medulla contains a unique and complex mix of keratins not found in other human tissues.

The conclusion is that substances can penetrate hair fibers through multiple pathways, including both the cell membrane complex and the non-keratinous parts.

A new method helps isolate key hair components to study hair growth and loss.

Daily hair care may cause holes in hair fibers.

The study found that pili bifurcati causes hair to intermittently split into two branches, each with its own outer layer.

Hair is complex, varies in type, and plays a big role in attractiveness and culture.

Scientists successfully created mouse hair proteins in the lab, which are stable and similar to natural hair.

Uncombable hair is inherited dominantly with complete penetrance.