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Keratins in Malayan pangolins vary by region, suggesting scales evolved from the tail towards the head.

High flux X-ray beams quickly damage the structure of human hair.

Reptilian scales, feathers, and hairs evolved from changes in skin cell interactions.

Bird foot scales develop differently and can repair but not fully regenerate due to the lack of specialized stem cell areas.

Keratin essence protects and improves damaged hair.

Fish scale-based organic hair oil and shampoo may improve hair health and prevent damage.

Brazilian Keratin Treatment can cause skin reactions like redness and scaling, possibly due to formaldehyde.

The model shows that factors like follicle shape and stiffness are key for hair growth and anchoring.

Human hair keratin may help repair injured spinal cord tissue in rats.

The research identified two types of keratinocytes in chicken scales: one for hard scales and another for soft skin, with similarities to human skin differentiation.

Hair has unevenly distributed proteins and lipids, with lipids mainly in the cuticle and proteins in the cortex and medulla.

Hair cuticles remain stable and resilient under stress due to strong protein content and crosslinking.

Pangolins have lost some skin-related genes, but kept others, leading to their unique scales and skin features.

Ultrasonic and infrared treatments can improve hair strength and appearance with minimal damage.

Dermoscopy helps diagnose and monitor treatment for hair loss from scarring conditions like discoid lupus and lichen planopilaris.

Dermoscopic examination helps diagnose different types of hair loss conditions by showing specific patterns.

The harlequin ichthyosis mouse mutation causes thick skin and early death, resembling a human skin disorder.

Aging makes hair thinner and rougher, with less clear edges.

Hair in mammals likely evolved from glandular structures, not scales.

The new 3D imaging method accurately measures hair surface details quickly.

Cotton honeydew extract improves hair smoothness and reduces damage.

A man with follicular psoriasis got better after treatment with skin cream and allergy pills.

Hard skin features like scales, feathers, and hair evolved through specific protein changes in different animal groups.

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

Treatments improved hair surface and scale structure but didn't increase certain bonds in the hair cortex.

Human hair keratin fibers have a detailed nano-scale structure that changes with different conditions.

Pangolin scales evolved for protection, hardening with age, due to keratin gene diversification.

Hair can't be as strong as Rapunzel's because it's impractical to scale up due to defects.

A new pair of mouse keratins, 65 kD and 48 kD, are found in specific skin areas and are linked to a unique skin differentiation type.

Hair ages as the cuticle wears down, especially beyond 1 meter from the root, affecting its strength and shine.