Alpha-keratin Alpha-keratin Alpha-keratin, or α-keratin, is a type of keratin found in mammals. This protein is the primary component in hairs, horns, nails and the epidermis layer of the skin. α-keratin is a fibrous structural protein, meaning it is made up of amino acids that form a repeating secondary structure. The secondary structure of α-keratin is very similar to that of a traditional protein α-helix and forms a coiled coil. Due to its tightly wound structure, it can function as one of the strongest biological materials and has various uses in mammals, from predatory claws to hair for warmth. α-keratin is
Artificial nails Artificial nails Artificial nails, also known as fake nails, false nails, fashion nails, nail enhancements, nail wraps, or nail extensions, are extensions placed over fingernails as fashion accessories. Some artificial nail designs attempt to mimic the appearance of real fingernails as closely as possible, while others may deliberately stray in favor of an artistic look. Unlike most manicures, artificial nails require regular upkeep; it is recommended that they are attended to, on average, every two weeks. Nonetheless, their versatility in terms of shape and design and comparatively high durability are some advantages they hold over other types of manicures. Artificial