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Human hair has a new region with ordered filaments and the cuticle contains β-keratin sheets.

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

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

Red fox, golden jackal, and gray wolf hairs have similar features but differ in length, thickness, and inner structure.

The method can identify minerals in hair from water, and using coconut oil or conditioner can prevent mineral buildup.

Hair straightening methods have advanced to improve effectiveness and reduce damage, but still rely on heat and chemicals.

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

South American camelids should be sheared early, fleece type affects fiber quality, and the S/P follicle ratio doesn't distinguish between Bolivian llama genotypes.

Hair's strength and flexibility come from its protein structure and molecular interactions.

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

Natural shampoos made in the lab conditioned hair better than commercial ones with chemicals.

Hair's internal fibers are arranged in a pattern that doesn't let much water in, and treatments like oils and heat change how much water hair can absorb.

Yak belly hair has higher porosity and is less stiff than human hair, making it absorb dye better but less suitable as a direct substitute for hair dyeing.

Scalp massage reduces stress, increases relaxation, and improves blood circulation.

Mammalian hair scales change from smooth to wavy due to friction.

Heat worsens damage in chemically treated hair, especially bleached and straightened hair.

The herbal hair cream helps protect and improve hair health.

Advanced microscopy shows hair damage and keratin proteins' roles, aiding future cosmetic treatments.

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

Mice with the naked gene have missing or abnormal hair cells.

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

Infrared and Raman imaging can non-destructively analyze hair structure and help diagnose hair conditions.

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

The research found two types of calcium in human hair, one that varies among individuals and another that is consistent across people.

Micrografts promote hair growth in androgenetic alopecia treatment.

Heat damages hair, with Asian hair losing more protein than Caucasian hair.

Melanin density affects hair color, and this method can help in cosmetic assessments and diagnosing hair diseases.

Scanning electron microscopy revealed four distinct hair root shapes in alopecia areata, suggesting a less invasive diagnostic method.

Trichohyalin and peptidylarginine deiminase type III are found together in rat hair follicles, with trichohyalin being modified after expression.

Surfactants damage hair, but sealing the cuticle can prevent this.