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Platelet-Rich Plasma (PRP) treatment can potentially increase hair density and quality in people with hair loss, but more research is needed to confirm its effectiveness.

Hair analysis can offer clues about a person, but individual differences limit making precise identifications.

The article concludes that PRP might help with hair loss, but more detailed research is necessary.

Certain hair care practices in African American girls can lead to scalp and hair issues.

Keratin peptides can change hair shape gently without harsh chemicals.

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

The study found that horizontal sections of scalp biopsies are better for analyzing hair loss, showing fewer hairs and more fine hairs in balding areas.

Scanning electron microscopy revealed four distinct hair root shapes in alopecia areata, suggesting a less invasive diagnostic method.

The vitreous membrane in hair follicles changes shape during the hair cycle and may affect hair growth and nutrient exchange.

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

Understanding hair follicle anatomy helps diagnose hair disorders.

In Japan, sex reassignment surgery for gender identity disorder faces challenges and needs better medical support and education.

The document concludes that new methods improve the accuracy of diagnosing scalp alopecia and challenges the old way of classifying it.

Runx3 helps determine hair shape.

Children with loose anagen hair have easily pluckable hair due to root sheath problems, and it might improve without treatment.

A baby girl's hair turned straight on one side due to a neck tumor and surgery, but it returned to curly as she recovered.

Using a blow dryer in a certain way can cause localized hair damage with bubble formation inside the hair.

Hair dyes and perms can damage hair and scalp, but using interventions can reduce harm.

Neonate scalp hair is thinner, lacks a medulla, and has smaller follicles compared to adult hair.

Nanoparticles improve drug delivery through the skin but more research is needed on their long-term effects and skin penetration challenges.

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

Accurate clinical, histological, and genetic methods are key for understanding and treating hair disorders.

Human body's immune cells are more common in the layer of fat just beneath the skin than in deeper fat layers.

Monotreme hair structure and protein distribution are similar to other mammals, but their inner root sheath cornifies differently, suggesting a unique evolution from reptile skin.

A young cat had a rare hair condition with twisted hair shafts but stayed healthy.

Transglutaminase activity is important for skin and is found in both mammals and birds.

The new hydrogel with zinc and polysaccharides improves wound healing and has antibacterial properties.

Permanent hair waving uses chemicals to create long-lasting curls.

Hair curvature in Japanese people is linked to specific cell types and filament arrangements in the hair cortex.

Chitosan, a natural substance, can be used to create tiny particles that effectively deliver various types of drugs, but more work is needed to improve stability and control of drug release.