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Developing hair follicles form from ring-shaped patterns, with future stem cells originating from the outer ring, not the upper layers, as previously thought.

Surgical hair replacement is a viable option for male pattern baldness when done with proper planning and realistic expectations.

Hair casts are small structures on hair shafts with unknown causes.

Hair casts are harmless but can be mistaken for head lice.

Hair casts, also called pseudonits, are often mistaken for other conditions.

Hair casts can be treated with physical removal and special shampoos.

Hair follicles repair 3D injuries using a 2D healing process.

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

A genetic change in the EDAR gene causes the unique hair traits found in East Asians.

Different types of skin pores should be identified correctly and evaluated with suitable methods for reliable results.

The article concludes that using the single-scar technique for hair transplants can result in a more attractive scar and that concerns about the technique can be managed with proper methods.

The single-scar technique in hair transplantation minimizes scarring and preserves hairs for future use, with proper training overcoming its perceived drawbacks.

The commentary suggests that using a single-scar technique for hair transplants can give good cosmetic results, but some surgeons hesitate to use it despite ways to address their concerns.

Lecithin organogels could be good for applying drugs to the skin because they are stable, safe, and can improve drug absorption.

Researchers found that hair shedding happens mostly when new hair is growing and involves a unique process.

Adult human skin can grow new fine hair follicles after a deep exfoliation treatment.

AGD1 is important for root hair development in Arabidopsis, working with phosphoinositide signaling and the actin cytoskeleton.

Female pattern hair loss diagnosed by scalp appearance, treated with combined therapies and targeted approaches.

Minoxidil dissolves best in methanol and least in water.

Vertical sections are better than horizontal sections for diagnosing alopecia.

Hair restoration surgery techniques have evolved, with focus on patient selection and realistic goals, and future advancements may include cloning and gene therapy.

MRI can effectively image skin structures noninvasively.

Stem cells can help regenerate hair follicles.

A specific hair diffraction pattern may indicate breast cancer if tested with the correct method.

Light scatters differently from elliptical hair fibers than from circular ones, and a new model better predicts this behavior, especially for shiny highlights.

Hair casts on the scalp may be a sign of ongoing pemphigus vulgaris and could suggest a need to adjust treatment.

Keratin's mechanical properties are influenced by hydrogen bonds and secondary structure, and can be improved with the SPD-2 peptide.

AGD1's PH domain is essential for its role in root hair growth and polarity.

The document concludes that modern ocular cosmetics enhance beauty and eyelash health, with safe practices and regulations being important.

Hair growth is influenced by hormones and goes through different phases; androgens can both promote and inhibit hair growth depending on the body area.