System and method for improving a cosmetic hair condition

A system for improving a hair condition, having:

• a sensor device having at least one sensor for detecting a hair condition parameter wherein the hair condition parameter is a cysteic acid content;
• and
• a treatment device having:
• an illumination device for illuminating a scalp of a user with light;
• a hair treatment device including at least one of an applicator of a cosmetic treatment agent, a massage device, a heating device and a cooling device, and
• an electronic circuit device which is coupled to the sensor device for determining a hair treatment parameter in response to the detected hair condition parameter wherein the hair treatment parameter includes a hair treatment agent and a light wavelength, the electronic circuit device further configured control the hair treatment device to perform at least one of apply the cosmetic treatment agent, perform a massage, heat the scalp and the hair, and to cool the scalp and the hair in response to at least one of the detected hair condition parameter and the treatment parameter;
• and
• the electronic circuit device being configured to control an illumination of the scalp of the user with light having the light wavelength by employing the illumination device based on the hair treatment parameter, the electronic circuit device being further configured to control a dosing device for the hair treatment agent based on the hair treatment parameter.