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Normal hair thickness varies by scalp area and a mix of hair thicknesses is typical in healthy individuals.

Medium lipophilic substances penetrate skin best, and adding ethanol can increase delivery to hair follicles.

Some treatments for folliculitis decalvans work well, with tetracyclines and a mix of rifampicin and clindamycin being most effective.

Different factors like pH, gel type, and chemical enhancers affect how well hydrocortisone gets into hair follicles, and less hydrated skin doesn't work well with the test method.

Diffusion in artificial sebum is mainly influenced by molecular size and is much faster than in skin lipids.

The document concludes that treatments for cicatricial alopecia are not well-supported by evidence, but hair transplantation shows more predictable and satisfactory results.

Hair loss due to scarring can be treated by reducing inflammation, removing scar tissue, and transplanting hair. The Follicular Unit Extraction technique is effective but requires skill and time. Future focus should be on scar-less healing methods.

New hair follicle-targeting treatments show promise for hair disorders but need more research on safety and effectiveness.

Nanoparticle-based drug delivery to hair follicles is more effective when tested under conditions that match skin behavior.

Hair follicles may soon be used more for targeted and systemic drug delivery.

Nanotechnology in dermatology shows promise for better drug delivery and treatment effectiveness but requires more safety research.

The document explains hair biology, the causes of hair loss, and reviews various hair loss treatments.

Azelaic acid may help treat acne by killing bacteria, reducing inflammation, and preventing clogged pores.

Hidradenitis Suppurativa is a chronic skin condition best treated early with surgery for better outcomes and less recurrence.

Hair growth is cyclic and influenced mainly by local factors.

Demodicosis is common and often missed, needing more recognition and treatment in skin care.

Trichoscopy can diagnose female hair loss with high accuracy by looking for specific patterns in hair and scalp appearance.

Nanoparticles can enter the skin, potentially causing toxicity, especially in damaged skin.

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

Hes1 protein is important for hair growth and regeneration, and could be a potential treatment for hair loss.

Trichoscopy is a useful non-invasive method to diagnose female hair loss with high accuracy.

Chrysanthemum zawadskii extract may help treat hair loss by promoting hair growth and affecting growth factors.

Researchers established normal hair and scalp characteristics for healthy women using trichoscopy.

Excipients greatly affect how well curcumin nanocrystals penetrate the skin and target hair follicles.

Three white adults had a rare scalp condition with increased fat and sometimes hair loss, suggesting it's not limited to black women and might be more widespread.

The document concludes that correct diagnosis of alopecia types is crucial, scalp biopsies are important, and more research is needed.

Disrupting the FGF5 gene in rabbits leads to longer hair by extending the hair growth phase.

Electrolysis is better for permanent hair removal with less scarring.

Finasteride works for hair loss by maintaining existing hair follicles, not reversing miniaturization.

The cause and importance of misplaced oil glands in the hair follicle are not well understood.