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Marsupial hair structure and keratin distribution are similar to placental mammals.

Holes in mature hair are likely caused by the removal of substances during hair care.

Bleaching hair causes significant damage by breaking down proteins and fatty acids.

Researchers extracted tiny keratin filaments from human hair by unzipping its outer layer.

Direct heat perms cause more damage to hair than softening heat perms.

The document concludes that skin stem cells are important for hair growth and wound healing, and could be used in regenerative medicine.

Surface and internal treatments can help prevent hair lipid loss during washing.

Chemical treatments severely damage hair cuticles, especially in previously treated hair.

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

Human hair surface varies in wettability, showing daily and monthly patterns.

Chemical treatments and daily stresses damage hair, especially the cuticle layer.

Abnormal cuticle and hair shaft medulla cause hair loss in androgenetic alopecia; sonography helps diagnose and manage it.

Some mutant mice have hair with abnormal cross-linking, mainly in the cuticle, not affecting other hair parts.

Eyelash curvature is linked to the thickness of the cuticle layer at the root.

Henna dye improves hair cuticle and thickness but effects vary by hair type and health.

Inhibiting ALOX12 can help hair cuticle maturation by increasing S100A3 citrullination.

Hair care products reduced hair roughness, a combination of Stemoxydine and Resveratrol increased hair density, fermented mackerel oil promoted hair growth, and genes TERT and Bmi-1 helped create new hair follicles.

Certain products and treatments can improve hair health and growth.

Hair analysis for drugs needs a better understanding of how drugs enter hair, considering factors like hair structure and pigmentation.

Antler velvet hair and body hair of red deer have different structures that help with protection and insulation.

Hair from people with seborrheic dermatitis is thicker scaled, more damaged, and thinner than healthy hair, and atomic force microscopy can help monitor the condition.

Chemical hair straightening improves smoothness and shine but may cause side effects, suggesting a need for safer methods.

Frequent hairdryer use may worsen hair fragility in people with Pili Annulati.

Using the right hair care products can improve hair health and help manage hair disorders.

The enzymatic method can effectively identify chemical treatments on hair.

Hair is a complex organ, and understanding its detailed structure and growth phases is crucial for analyzing substances within it.

Neonate scalp hair is thinner, lacks a medulla, and has smaller follicles compared to adult hair.

Polymethylene wax in hair relaxers makes hair smooth and shiny with less damage.

Permanent waving weakens hair by altering its protein structure.

Growing hair follicles have high mitochondrial activity and ROS in specific regions, aiding hair formation.