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Skin-Glossymeter GL 200
Measuring Gloss on Skin, Lips and Hair
Overview
The Glossymeter GL 200 is a scientific probe designed to measure the gloss level of the skin, lips, hair, and other surfaces. Developed by Courage + Khazaka electronic GmbH, it provides objective and quantitative data for evaluating surface shine, radiance, oiliness, and the visual effect of cosmetic or dermatological products.
The measurement is based on the reflection of light from the surface. The probe emits light at a defined angle and measures the amount of reflected light, allowing researchers to quantify gloss in a fast, non-invasive, and reproducible way.
The Glossymeter GL 200 is especially useful for evaluating skin care, hair care, lip care, makeup, sunscreens, mattifying products, moisturizers, and shine-enhancing formulations. It supports before-and-after comparisons and helps generate objective data for product development, efficacy testing, and claim substantiation.
Features
Very quick and easy measuremen
Provides gloss results in approximately 1 second with a specially designed probe head for simple handling.
Gloss and diffuse scattered light values
Each measurement displays both the gloss value and a value for diffuse scattered light.
Diffuse Scattering Correction technology
Unique Diffuse Scattering Correction (DSC) helps minimize the influence of skin colour on the measurement result.
Reproducible measurement pressure
A spring mechanism in the probe head ensures constant pressure on the skin for accurate and repeatable measurements.
Easy accuracy check
The accuracy of the Skin-Glossymeter probe can be checked easily at any time.
Designed for skin and multiple surfaces
Especially designed for skin gloss measurement, while also suitable for lips, hair, and other materials.
Hair gloss measurement option
A dedicated hair clip is available for easy and convenient gloss measurement directly on hair.
Flexible system configurations
Available as a stand-alone MDD device, connectable to MPA systems, or as a wireless probe, depending on the required setup.
Technologyn
The Skin-Glossymeter GL 200 measures gloss based on the reflection of light from the skin or other tested surface. Parallel white light is generated by LEDs inside the probe head. To allow measurement at a 60° angle within a compact probe design, the light is first emitted at 0° and then redirected by a mirror to 60°.
The reflected light is measured through two separate channels:
- Direct reflection / gloss channel
The directly reflected light is guided by a mirror into the reflection channel and used to calculate the gloss value.
- Diffuse scattered light channel
The diffuse or scattered light is measured vertically at 0° above the surface. This provides information about the scattered portion of light from the measured area.
As a result, the GL 200 expresses both the directly reflected light, representing gloss, and the diffuse scattered light from the skin surface.
A key feature of the GL 200 is its Diffuse Scattering Correction (DSC). Since skin can vary in structure, brightness, and colour, part of the emitted light may penetrate into the upper skin layers and scatter differently depending on skin tone. The DSC function helps reduce the influence of skin colour by deducting the diffuse light entering the gloss channel using a special correction formula.
The results are expressed in Glossymeter units, which show excellent correlation with industrial gloss units based on DIN and ISO standards.
Applicationnn
Cosmetic R&D and formulation development
Used in cosmetic research and development where surface gloss, shine, radiance, or mattifying effects are important.
Skin care efficacy testing
Evaluates the effect of creams, serums, cleansers, sunscreens, moisturizers, mattifying products, and facial care formulations on skin gloss and radiance.
Hair care and animal fur assessment
Measures gloss and shine on hair, and can also be used for animal fur studies.
Decorative cosmetics testing
Suitable for evaluating lipsticks, make-up, nail polish, and other cosmetic products where gloss or shine is a key performance parameter.
Claim substantiation
Supports claims such as shine/gloss increasing, shine/gloss reducing, brightness enhancing, luminescence, skin radiance enhancing, and mattifying effect.
FAQs
What does the Glossymeter GL 200 measure?
The Glossymeter GL 200 measures the gloss, shine, and diffuse scattered light from the skin, lips, hair, and other surfaces. It provides objective data for evaluating radiance, mattifying effects, and surface appearance.
How does the Glossymeter GL 200 work?
The GL 200 measures gloss based on light reflection. Parallel white light is emitted onto the surface at a defined angle, and the reflected light is measured through separate channels for direct gloss and diffuse scattered light.
What is Diffuse Scattering Correction?
Diffuse Scattering Correction (DSC) is a unique function that helps minimize the influence of skin colour on the gloss result. It corrects for diffuse scattered light so the gloss value is more focused on surface reflection.
What products can be tested with the Glossymeter GL 200?
The GL 200 can be used for skin care, hair care, lip care, make-up, nail polish, cleansers, moisturizers, mattifying products, shine-enhancing formulations, and decorative cosmetics.
What system options are available for the Glossymeter GL 200?
The Skin-Glossymeter GL 200 is available as a stand-alone device, connectable to MPA systems, or as a wireless probe, depending on the required configuration.
Is there an accuracy check method, and does the Glossymeter GL 200 require regular calibration?
Yes. The accuracy of the Skin-Glossymeter GL 200 can be checked easily at any time using the appropriate calibration check tool or procedure.
To maintain accuracy, reliability, and traceability, the Glossymeter GL 200 should also be calibrated by the manufacturer every 2 years. Regular calibration helps support quality control, study consistency, and claim substantiation requirements.
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