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In the processing of photographic films, plates or papers, the photographic developer (or just developer) is one or more chemicals that convert the latent image to a visible image. Developing agents achieve this conversion by reducing the silver halides , which are pale-colored, into silver metal, which is black when in the form of fine ...
Hair bleaching is the practice of lightening the hair color, mainly for cosmetic purposes using bleaching agents. Bleaching can be done alone, combined with a toner , or as a step for further hair coloring .
Read the directions on your lightener and developer materials, not all brands are the same, but most bleach mix calls for a 2:1 ratio (meaning two parts developer to one part lightener).
Following the first developer and rinse, the film is bleached to remove the developed negative image. This negative image is composed of metallic silver formed in the first developer step. The bleach used here only affects the negative, metallic silver grains, it does not affect the unexposed and therefore undeveloped silver halide.
That's because the bleach works by breaking down the protein bonds in your hair, so that the pigment is lifted from it, which is how you lighten up your color. This process inevitably results in ...
“Bleaching the hair is a very in-depth process,” Pearl explains. “A lot of factors go into achieving good color when using bleach, such as the hair’s overall condition, processing time ...
The print must then be rinsed in water to removed the fixer. Photographic fixer is a mixture of chemicals used in the final step in the photographic processing of film or paper. The fixer stabilises the image, removing the unexposed silver halide remaining on the photographic film or photographic paper , leaving behind the reduced metallic ...
"Bleach is used for lightening hair (to strip the pigment from your hair shaft)," Ikeda says, "It is impossible to make your hair a lighter shade without the help of bleaching or oxidizing agents."
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