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Scientific Devices

Sebumeter® SM 815

Determining sebum on the skin surface, scalp and hair

sebum quadrat

For more than 30 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 Probe (Cartridge)

Advantages of the Sebumeter®

Fields of Application

Technical Data


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 Sebumeter principlemeasurement 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.

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The Probe (Cartridge)

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.

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Advantages of the Sebumeter®

  • The special tape only reacts to the skin sebum independent on the water content.
  • It allows fairly quick and very easy measurements to avoid occlusion.
  • A zero calibration before each measurement provides highest accuracy.
  • The probe is small and lightweight for easy handling and measurement on all body sites. The spring in the head of the cartridge ensures constant pressure on the skin enabling exact, reproducible measurements. 
  • The accuracy of the device can be easily checked at any time with a specific test tool with a known value.
  • Worldwide established as „sebumetry" with a broad range of studies

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Fields of Application:

lab sebu

There are many fields of application where the sebum content plays a major role.Gesicht reinigen

  • It is used in dermatological basic research.
  • It is important for claim support and efficacy testing of all kinds of cosmetic and pharmaceutical products (especially cleansers, anti-acne products, shampoos and hair care, products for oily skin)

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The Sebumeter® SM 815 is available as stand-alone device or built-in in the MPA systems or in the Derma Unit SSC 3.

Please also read Frequent Asked Questions on the Sebumeter®

 

Brochure Download

Technical Data

Cartridge only:

Dimensions: 8.5 x 11.3 x 2.3 cm, Measuring surface: 64 mm² , Weight: 65 g ,

Units: Sebumeter® units from 0-350 (approximated to μg/cm2 in a certain range), measurement uncertainty: ± 5%

One cartridge lasts for approx. 400 measurements. Consumed cartridges need replacement.

Sebumeter®-probe for MDD: Dimensions: 7 x 7.7 x 6.5 cm, Weight: 300 g

Please also check the technical data of MPA and MDD devices.

Technical changes may be made without prior notice.

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