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Older age and certain lifestyles are linked to thinner, weaker hair, while how you see your hair relates to its thickness.

Trichoscopy and trichogram are useful for diagnosing hair and scalp conditions.

The document explains the diagnosis and characteristics of woolly hair nevus and alopecia neoplastica.

Photographic imaging is crucial for documenting and managing hair loss, requiring careful preparation and standardization to be effective.

Researchers found new hair and nail genes, how hair reacts to UV, differences in white and pigmented hair growth, nerve changes in alopecia, treatments for baldness and alopecia, a toenail condition linked to a genetic disorder, and that nail fungus is more common in people with psoriasis.

Hair loss and aging are caused by the breakdown of a key protein in hair stem cells.

Melatonin may help with sleep issues, depression, and cancer, but more research is needed.

About 7% to 15% of Iranian women have polycystic ovary syndrome, depending on the criteria used to diagnose it.

Minoxidil and finasteride treat hair loss in men, while minoxidil treats hair loss in women.

Horizontally sectioned scalp biopsies are more reliable for diagnosing hair loss in women when three samples are taken instead of one.

Using platelet-rich plasma with microneedling works better for acne scars than microneedling with water.

5% minoxidil foam once daily works as well as 2% minoxidil solution twice daily for female hair growth and is more convenient.

Dutasteride 0.5 mg daily improves hair growth safely in men with hair loss.

Alopecia Areata is an autoimmune condition often starting before age 20, with varied treatment success and a need for personalized treatment plans.

Hormones, especially androgens, play a key role in acne, which can be a symptom of systemic diseases like PCOS and may require targeted treatment.

Shampoos are designed to clean and improve hair and scalp health, with specific ingredients for different hair types and conditions.

The conclusion is that the best initial treatment for hirsutism is usually oral contraceptives, with the addition of antiandrogens or insulin sensitizers if needed, and topical eflornithine or laser treatments as supplementary options.

Some drugs can cause hair loss, and stopping these drugs often leads to hair regrowth.

Bimatoprost, a glaucoma medication, may also help treat hair loss.

Recognizing oral symptoms can help diagnose and treat blood and nutritional diseases early.

The Wnt/β-catenin pathway can activate melanocyte stem cells and may help regenerate hair follicles.

Nanotechnology improves hair care products by enhancing ingredient stability, targeting treatment, and reducing side effects, but more research on its toxicity is needed.

Melatonin solution helps treat hair loss in men and women.

Pseudopelade of Brocq is a unique hair loss condition, but its cause and development are still not fully understood.

The new drug delivery system releases the drug better in sebum and targets follicles more effectively than the conventional cream.

Combining laser hair removal with topical eflornithine is recommended for better results in treating unwanted facial hair.

A team approach is crucial for managing PCOS, with dermatologists playing a key role.

The document concludes that menopause should be seen as a natural part of aging and managed with personalized care and informed choices.

Trichoscopy is a useful tool for diagnosing hair and scalp issues, but doctors must be careful to avoid mistakes.

Dogs could be good models for studying human hair growth and hair loss.