Patent ID: 11950682
Assignee: HENKEL AG & CO. KGAA
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A device for providing a hair treatment agent, comprising:
a portable sensor device having at least one sensor for capturing a reflected light from a hair of a user;
a memory for storing a relationship between a cysteic acid content value and a measure of light absorption intensity, wherein the relationship is determined in response to a plurality of light absorption measurements made on a plurality of hair samples having a known cysteic acid content;
a data processing device for determining a light absorption intensity of the hair of the user in response to the reflected light, estimating a cysteic acid content of the hair of the user in response to the light absorption intensity and the relationship between the cysteic acid content value and the measure of light absorption intensity, and for determining of a user-specific hair treatment agent using the cysteic acid content; and
a hair treatment agent mixer configured to prepare the user-specific hair treatment agent wherein the user-specific hair treatment agent is one of a hair care agent, a hair coloring agent and a hair styling agent.