This invention describes a way to treat hair, specifically for coloring, by using special tablets. You dissolve these tablets in water to create a liquid composition, which is then applied to the hair. The method can also include bleaching the hair first before applying the color from the tablets.
Why it matters: Filed before advanced smartphone cameras and AI became ubiquitous. The optical reading and outcome prediction aspects, hinted at in the abstract and classification, are now far more feasible and accurate using consumer-grade devices and modern machine learning.
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