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

The herbal hair dye with a 1:2 henna to indigo ratio works well, is safe, and eco-friendly.

Anti-androgen drugs can help reduce OCD symptoms, but more large-scale trials are needed to confirm their effectiveness.

UV photography can help identify people at higher risk for skin cancer, and male pattern baldness at age 45 is linked to a higher risk of certain skin cancers.

UV radiation causes significant protein loss and color changes in hair, especially blond hair.

Celery extract can be used as a natural hair tonic for treating hair loss.

Trichoscopy shows hair diameter variability, vellus hairs, and the peripilar sign are key indicators for diagnosing Androgenetic Alopecia.

The F2 hair tonic with shallot extract is effective and stable for hair growth.

A man had a rare pigmented nodule on his scalp that developed from birthmarks.

A baby with a skin condition improved with treatment but developed a rare form of the condition affecting only his trunk.

Two sisters have rare hair disorders causing short, fragile, kinky hair.

The hair tonic with aloe vera and celery was successfully made, with the first formula being the most stable.

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

Camel hair from Afif can be improved for textiles by adding chemicals or blending with other fibers.

The study concluded that a new method can effectively assess scalp sun damage in balding men, which increases with age and sun exposure.

The extract combination can promote hair growth and act as a natural hair dye.

Non-melanoma skin cancer in darker-skinned people can be misdiagnosed, so doctors need to be more aware to diagnose it correctly and early.

SOX4 is crucial for the development of melanoma.

Treating androgenic alopecia can significantly increase hair thickness, especially in males, with hair color and scalp location also affecting hair diameter.

The 1891 epidemic skin disease was likely caused by arsenic poisoning, possibly from beer or fish.

Hyperpigmentation is common in pregnancy and may not fully fade after birth; melasma, also frequent, can persist but has limited treatment options during pregnancy.

The 2004 hair research meeting presented new findings on hair cell differentiation, genetic factors in hair loss, hair pigmentation, and potential targeted therapies.

Laser treatment can inhibit hair growth and different hair colors reach different temperatures when lasered.

Adults can develop late-onset loose anagen syndrome, which may often be misdiagnosed.

A 68-year-old woman with benign mucous membrane pemphigoid has eye, mouth, and skin issues, including thick plaques and nail changes.

Alopecia areata's causes are unclear, treatments exist but relapses are common.

More research is needed to understand how skin type affects laser treatment for hair loss.

A new method using NBD-CL can accurately and precisely measure finasteride in medicine, and could be used regularly for quality control in the industry.

Genetics, low estrogen, and low iron levels contribute to female hair loss, with specific scalp signs indicating severity.

The document concludes that understanding nail anatomy is key for diagnosing nail diseases, early signs of nail melanoma may allow for less aggressive treatment, and specific genetic mutations are important in thyroid cancer prognosis and treatment.