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Scientists developed tools to observe hair regeneration in real time and assess skin health, using glowing mice and light-controlled genes.

Researchers found markers that can tell if hair has been bleached, which could improve hair test accuracy.

Forensic hair analysis for drugs is now more reliable and accurate.

A new method accurately measures amino acids in treated hair, showing bleaching reduces amino acids while protein treatments increase them.

Different signals work together to change gene activity and guide hair follicle stem cells to become specific cell types.

High-frequency ultrasonography is a useful but underused tool in dermatology for assessing skin cancers, monitoring diseases, and evaluating treatments.

The study found that a polymer treatment changes the charge on hair surfaces, making bleached hair smoother and less porous.

Reflectance confocal microscopy is useful for diagnosing scalp melanomas, which have features similar to those on the trunk.

Sunlight and chemical treatments change hair's internal structure differently, needing specific care.

Acne lesions start with changes in hair follicles and increase in inflammation, suggesting a cycle that could affect treatment strategies.

Hair treatments like bleaching increase friction by exposing tiny pores on the hair surface.

Different ethnicities and treatments affect human hair strength and structure.

High-content screening is useful for finding new treatments for rare diseases and has led to FDA-approved drugs.

Quantifying hair shape is better than using racial categories for understanding hair characteristics.

Human hair structure varies by ethnicity, and certain treatments can improve hair condition and appearance.

Two-photon microscopy helps observe hair follicle stem cell behaviors in mice.

Hair microscopy is useful for diagnosing hair disorders, but clear definitions are needed for accurate genetic analysis.

Some skin conditions are associated with other serious diseases, and office microscopy may miss many fungal infections.

Reflectance confocal microscopy is useful for diagnosing and monitoring skin diseases, but it has limitations and requires expertise for correct use.

Reflectance confocal microscopy reliably identifies skin cancer features like horizontal skin tissue sections.

Bleaching hair removes its protective top layer and exposes more hydrophilic groups, changing its chemical surface and affecting how it interacts with products.

Dynamic, light touch is sensed through a common mechanism involving Piezo2 channels in sensory axons.

Finasteride-loaded microemulsions can effectively enhance skin delivery for treating hair loss.

Different techniques measure hair properties to ensure cosmetic products work.

Hair and nail cells share similar proteins, indicating a common differentiation pathway.

Hair follicles help absorb and store topical compounds, aiding targeted drug delivery.

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

New treatments and early diagnosis methods for permanent hair loss due to scar tissue are important for managing its psychological effects.

Different tests are used to see how hair care products affect hair, and choosing the right test is important for accurate results.

The study found that hair fragility in Pili annulati may be caused by cavities and damage within the hair shafts.