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US 12,053,072 B2Granted
Hair treatment process
AssigneeL'oreal
InventorHenri Samain
Life of this patent
Estimating the term…
Abstract
A process for treating, especially for washing, the hair, including applying at least one cosmetic active ingredient to the head of hair using a dispensing device. The dispensing device including a hand piece preferably having at least two nozzles, the jets of which collide with one another, to form a mixture of water and of the active ingredient, this mixture originating from a collection basin arranged below the user's head.
Claims16
A process for treating hair, comprising:
- a) applying at least one cosmetic active ingredient to the hair,
- b) applying to the hair, using a dispensing device comprising a hand piece comprising at least two nozzles, a mixture of water and of said active ingredient, said mixture originating from a collection basin arranged below the user's head jets of the at least two nozzles colliding with one another, the nozzles being supplied under pressure, at a pressure of between 3 and 25 bar above atmospheric pressure, the device being arranged to operate according to at least two modes, namely a first mode in which the device dispenses a fluid without recycling, and a second mode in which the device dispenses a fluid withdrawn from the collection basin, a passage from the first mode to the second occurring automatically.
A system for treating a head of hair, comprising:
- a dispensing device comprising a hand piece, the dispensing device comprising at least two nozzles, jets of the at least two nozzles colliding with one another and the nozzles supplied under pressure of between 3 and 25 bar above atmospheric pressure, said dispensing device comprising at least one pump for recycling, towards the hand piece, a liquid originating from a collection basin and a user's head arranged above the collection basin for the treatment of their head of hair, the device being arranged to operate according to at least two modes, namely a first mode in which the device dispenses a fluid without recycling, and a second mode in which the device dispenses a fluid withdrawn from the collection basin, a passage from the first mode to the second occurring automatically.
Dependencies are inferred from the claim text.