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Balayage. In potential theory, a mathematical discipline, balayage (from French: balayage "scanning, sweeping") is a method devised by Henri Poincaré for reconstructing an harmonic function in a domain from its values on the boundary of the domain. [1] In modern terms, the balayage operator maps a measure μ on a closed domain D to a measure ...
Balayage (from the French, meaning 'scanning, sweeping') is a technique of free-form painting on clean, styled hair. The results are subtle, and thus more natural-looking than foiling or chunking. The results are subtle, and thus more natural-looking than foiling or chunking.
A woman with dyed pink hair. Hair coloring, or hair dyeing, is the practice of changing the color of the hair on humans' heads.The main reasons for this are cosmetic: to cover gray or white hair, to alter hair to create a specific look, to change a color to suit preference or to restore the original hair color after it has been discolored by hairdressing processes or sun bleaching.
Female figure with elaborate coiffure and hairpins, West Bengal, 1st century BC. Hopi woman dressing hair, ca. 1900. A hairstyle, hairdo, haircut, or coiffure refers to the styling of hair, usually on the human head but sometimes on the face or body. The fashioning of hair can be considered an aspect of personal grooming, fashion, and cosmetics ...
Ombré. Ombré: black to blue. Ombré / ˈɒmbreɪ / (literally "shaded" in French) is the blending of one color hue to another, usually moving tints and shades from light to dark. [1] It has become a popular feature for hair coloring, nail art, and even baking, in addition to its uses in home decorating and graphic design. [2]
M. von Ardenne's. A scanning electron microscope (SEM) is a type of electron microscope that produces images of a sample by scanning the surface with a focused beam of electrons. The electrons interact with atoms in the sample, producing various signals that contain information about the surface topography and composition of the sample.
The human body, apart from areas of glabrous skin, is covered in follicles which produce thick terminal and fine vellus hair. Most common interest in hair is focused on hair growth, hair types, and hair care, but hair is also an important biomaterial primarily composed of protein, notably alpha-keratin.
Keratin. Keratin (/ ˈkɛrətɪn / [1][2]) is one of a family of structural fibrous proteins also known as scleroproteins. Alpha-keratin (α-keratin) is a type of keratin found in vertebrates. It is the key structural material making up scales, hair, nails, feathers, horns, claws, hooves, and the outer layer of skin among vertebrates.