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For more than 25 years the Sebumeter® has provided the worldwide most used method to reproducibly and accurately determine the sebum level of the skin surface, as well as on scalp and hair. This is documented by the numerous mentions in scientific literature in which the terms "sebumetry" and sebum measurements are inseparable.
The Measuring Principle
The measurement is based on grease spot photometry. The mat tape of the Sebumeter® SM 815 is brought into contact with skin or hair. It becomes transparent in relation to the sebum on the surface of the measurement area. Then the tape is inserted into the aperture of the device and the transparency is measured by a photocell. The light transmission represents the sebum content.
The measuring head of the cartridge exposes a 64 mm2 measuring section of the mat tape. For a measurement the tape is moved forward by a trigger at the side of the cartridge to expose a new section of tape. The used tape is rewound inside the cartridge. One cassette can be used for approx. 400 measurements. The scale from 1-0 on the trigger shows how much of the tape is still unused. For hygiene reasons when exhausted, the cassette is simply replaced.
There are many fields of application where the sebum content plays a major role.
The Sebumeter® SM 815 is available as stand-alone device or built-in in the MPA systems or in the Derma Unit SSC 3.