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Negative (photography) In photography, a negative is an image, usually on a strip or sheet of transparent plastic film, in which the lightest areas of the photographed subject appear darkest and the darkest areas appear lightest. [ 1] This reversed order occurs because the extremely light-sensitive chemicals a camera film must use to capture an ...
The Colorful Anti-Fade Shampoo and Conditioner offer everything color-treated hair needs. These formulas ensure color stays beautiful and brilliant, while working to replenish moisture levels and ...
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.
Hyperpigmentation can be diffuse or focal, affecting such areas as the face and the back of the hands. Melanin is produced by melanocytes at the lower layer of the epidermis. Melanin is a class of pigment responsible for producing color in the body in places such as the eyes, skin, and hair. The process of melanin synthesis (melanogenesis ...
2. Olaplex No. 4 Bond Maintenance Shampoo. Amazon. Color treating your hair causes a lot of damage to your strands, so Olaplex No. 4 Bond Maintenance Shampoo is the perfect choice for repair. The ...
Seventeen asked celebrity hair colorists Kari Hill and Mahshid Baghaei everything you need to know before you color or dye your hair for the very first time.
Dental radiography. Dental radiographs, commonly known as X-rays, are radiographs used to diagnose hidden dental structures, malignant or benign masses, bone loss, and cavities . A radiographic image is formed by a controlled burst of X-ray radiation which penetrates oral structures at different levels, depending on varying anatomical densities ...
A variety of human hair colors; from top left, clockwise: black, brown, blonde, white, red. Human hair color is the pigmentation of human hair follicles and shafts due to two types of melanin: eumelanin and pheomelanin. Generally, the more melanin present, the darker the hair. Its tone depends on the ratio of black or brown eumelanin to yellow ...