A hair coloring appliance includes a handle and a hair color delivery system supported within the handle. A nozzle assembly is adapted to receive hair color. The nozzle assembly includes a stationary frame and a nozzle array through which the hair color is delivered to the hair and a plurality of filaments adjacent the nozzles which are longer than the nozzles, acting as a stand-off between the nozzles and the scalp. A motor reciprocates the nozzle array back and forth as hair color moves through the nozzles.

Method for producing a shading on the hair, comprising the stage consisting in: subjecting an amount of a composition (100) capable of exhibiting a variation in its hair dyeing or bleaching power under the effect of a chemical and/or energy stimulus to the said stimulus, so as to obtain at least two fractions (1000; 2000) of the said amount each having a hair dyeing or bleaching power distinct from that of the other fraction, the composition (100) being subjected to the stimulus before or after it is brought into contact with the hair and the composition producing, after exposure to the said stimulus and being brought into contact with the hair, a shaded dyeing or bleaching.

The system includes a hair color packet assembly having several individual hair color packets and one developer packet, each packet having a pump for delivering selected amounts of material to a mixing assembly. A control assembly operable in response to a user's input controls each of the pumps to deliver selected amounts of color material and developer material to a mixing assembly which mixes the colors and the developer and delivers it to a brushhead/distributor, which has openings through which the selected hair color formulation is delivered. The brushhead/distributor is mountable in a handle having a motor which drives the brushhead/distributor in a linear oscillating manner.

An applicator for spraying hair building solids is configured for one-handed operation and includes an applicator body which is connectable with a container including hair building solids. The applicator body includes a top part, a bottom part and a main part extending between the top part and the bottom part; an air pump electrically configured for creating an air flow; and a nozzle for spraying hair building solids out from the applicator. The bottom part includes an attachment structure for attaching the container to the applicator body, a first orifice in flow connection with the air pump for delivering air flow from the air pump via the bottom part and a second orifice in flow connection with the nozzle for delivering hair building solids via the bottom part to the nozzle.

A hair coloring apparatus includes a hair-color composition tube, a cap, and an off-scalp brush applicator. The hair-color composition tube, which contains the coloring agent, is enclosed with the cap. The off-scalp brush application is concentrically positioned and adjacently connected with the cap. Generally, the off-scalp brush is positioned within the hair-color composition tube. Once the user is ready to color his or her hair, the cap is removed from the hair-color composition tube allowing the off-scalp brush applicator, which is dipped in the coloring agent, to be utilized with the hair. Insertion and removal of the off-scalp brush applicator into the hair-color composition tube allows the user withdraw and apply additional coloring product as need.

Provided is a method for treating a fiber, including: imparting a pattern from a diffraction grating onto a fiber surface. The pattern is capable of diffracting incident polychromatic light into one or more dispersed visible colors, the fiber is not coated and the pattern is imparted directly onto the surface of the fiber.

Disclosed are a hair colouring device and method of its use. The device includes a top housing, a bottom housing movably engaged to the top housing at distal ends using an engagement mechanism that enables the device to alternate between a closed position and an open position, a first cartridge carrier for receiving a first colourant-filled cartridge, the first cartridge carrier being removably disposed within an opening provided on the top housing, a second cartridge carrier for receiving a second colourant-filled cartridge, the second cartridge carrier being removably disposed within an opening provided on the bottom housing, a pair of applicator tips, each of the applicator tips being disposed at a proximal end of the first cartridge carrier and the second cartridge carrier. The device allows accurate, non-messy and even application of the hair colouring composition to the selected one or more strands of hair more quickly and effectively.

A hair pickup tool for picking up strands of hair as a bundle of hair includes a base portion, an upright stem portion extending upright from the base portion, and a stick-shaped pickup portion projecting from the upright stem portion. The stick-shaped pickup portion extends obliquely sideways from the upright stem portion toward the side opposite to the base portion at an angle of inclination of 10 to 70 degrees relative to a plane that is perpendicular to an upright extending direction of the upright stem portion. The stick-shaped pickup portion is provided with one or two or more hair holding protrusions protruding toward the base portion side.

A hair coloring brush is disclosed having a central base portion, a pick handle extending from the central base portion, and a plurality of bristles extending out from the central base portion, the bristles each have an end portion with the end portions forming a curved surface.

A bowl is disclosed having a basin portion having a slanted back wall portion, a bottom portion, a front straight wall portion, a pair of side wall portions, and a top portion, and a handle extending from the top portion.