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Hair ages due to various factors and treatments like minoxidil and finasteride can help, but more research and better public awareness are needed.

Male and female human hairs have different microscopic structures that can help in forensic analysis.

High levels of androgens can cause skin issues like acne, hair loss, and excessive hair growth.

The document concludes that accurate diagnosis of hair disorders is crucial and requires a range of diagnostic methods.

Dermoscopy improves diagnosis and treatment monitoring for children's skin infections, inflammations, and hair disorders.

Hair follicle biology advancements may lead to better hair growth disorder treatments.

Gender affects hair and scalp characteristics, with differences in hormone responses, graying patterns, and trace metals.

Hair straightening can damage hair and pose health risks, including exposure to carcinogens and hair loss.

Trichoscopy is a non-invasive way to diagnose hair and scalp problems without needing hair samples.

Hairless mammals have genetic changes in both their protein-coding and regulatory sequences related to hair.

Hair microscopy is useful for diagnosing certain hair loss conditions but has limitations and must be interpreted carefully.

Peripilar keratin casts are a helpful sign for diagnosing traction alopecia.

The EDAR gene mutation leads to thinner and more deformed hair shafts.

Hair's internal fibers are arranged in a pattern that doesn't let much water in, and treatments like oils and heat change how much water hair can absorb.

Icariin helps mouse hair grow by boosting a growth factor in skin cells.

Chemotherapy can cause significant hair thinning and changes in hair texture, while tamoxifen has a smaller effect.

The research shows that a gene called Wnt3 affects hair growth and structure, causing short hair and balding when overactive.

Different techniques measure hair properties to ensure cosmetic products work.

Dermatoscopy is a useful tool for diagnosing hair disorders and can help choose samples for more detailed analysis.

Hair problems can be caused by genetics or the environment, and treatment should focus on the cause and reducing hair damage.

Hair gets thinner, grayer, and changes texture with age due to genetics, environment, and cellular changes, affecting the growth cycle.

Hair shaft dysplasias are abnormal hair conditions that can be inherited or acquired and may signal other health issues, with limited treatment options available.

A specific type of skin cell creates an opening for hair to grow out, and problems with this process can lead to skin conditions.

Protein hair straighteners damage the hair more than hair dyes.

The article concludes that developing in vitro models for human hair structures is important for research and reducing animal testing, but there are challenges like obtaining suitable samples and the models' limitations.

Surface-modified nanostructured lipid carriers can improve hair growth treatments.

The document explains how to identify different hair problems using a microscope.

Adding human fat-derived stem cells to hair follicle grafts greatly increases hair growth.

Sebaceous glands in our skin, developing during pregnancy and active in puberty, produce sebum for skin lubrication, temperature control, and fighting germs, also help in hormone regulation, and their dysfunction can cause conditions like acne and hair loss.

UVB radiation changes the chemical makeup and dries out human hair but doesn't alter its appearance or texture.