HAIR DYEING METHOD Russian patent published in 2007 - IPC A45D19/00 

FIELD: human hair dyeing processes.

SUBSTANCE: method involves determining the highest point on individual's head in its natural position; separating basic strand of hair from individual's hair, said strand of hair growing from highest point of head; applying first hair dye onto root portion of basic strand of hair; sequentially separating from individual's hair strands of hair growing below hair of basic strand of hair and applying first hair dye onto root portions of separated hair strands; applying second hair dye onto portions of strand of hair free from first hair dye, with color of second hair dye being lighter than color of first hair dye; upon expiration of certain time interval sufficient for hair dyeing, washing out hair dyes from individual's hair.

EFFECT: provision for dyeing of individual's hair throughout the entire length of hair in colors of different tints without necessity for additional dyeing of hair root portions during prolonged periods of time.

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